===================================================================
@@ -0,0 +1,31 @@
+// PR c++/53567
+// { dg-do compile { target c++11 } }
+
+template <unsigned int, bool> struct IntegerType { typedef unsigned type; };
+
+template <class EnumT>
+using UnderlyingEnumType = typename IntegerType<sizeof(EnumT), (EnumT(-1) > EnumT(0))>::type;
+
+template <class EnumT, class UnderlyingT = UnderlyingEnumType<EnumT>>
+struct EnumMask
+{
+ constexpr EnumMask(EnumT val) : m_val(val) {}
+ operator EnumT() { return m_val; }
+
+ EnumT m_val;
+};
+
+enum class A : unsigned { x };
+
+template <class EnumT>
+EnumMask<EnumT> operator ~(EnumT lhs)
+{
+ return EnumT(~unsigned(lhs) & unsigned(EnumT::maskAll)); // { dg-error "not a member" }
+
+}
+
+int main()
+{
+ ~A::x;
+ return 0;
+}
===================================================================
@@ -53,7 +53,7 @@ static tree rationalize_conditional_expr (enum tre
static int comp_ptr_ttypes_real (tree, tree, int);
static bool comp_except_types (tree, tree, bool);
static bool comp_array_types (const_tree, const_tree, bool);
-static tree pointer_diff (tree, tree, tree);
+static tree pointer_diff (tree, tree, tree, tsubst_flags_t);
static tree get_delta_difference (tree, tree, bool, bool, tsubst_flags_t);
static void casts_away_constness_r (tree *, tree *, tsubst_flags_t);
static bool casts_away_constness (tree, tree, tsubst_flags_t);
@@ -1907,7 +1907,7 @@ decay_conversion (tree exp, tsubst_flags_t complai
/* This way is better for a COMPONENT_REF since it can
simplify the offset for a component. */
adr = cp_build_addr_expr (exp, complain);
- return cp_convert (ptrtype, adr);
+ return cp_convert (ptrtype, adr, complain);
}
/* If a bitfield is used in a context where integral promotion
@@ -1951,12 +1951,12 @@ cp_default_conversion (tree exp, tsubst_flags_t co
/* Check for target-specific promotions. */
tree promoted_type = targetm.promoted_type (TREE_TYPE (exp));
if (promoted_type)
- exp = cp_convert (promoted_type, exp);
+ exp = cp_convert (promoted_type, exp, complain);
/* Perform the integral promotions first so that bitfield
expressions (which may promote to "int", even if the bitfield is
declared "unsigned") are promoted correctly. */
else if (INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P (TREE_TYPE (exp)))
- exp = perform_integral_promotions (exp);
+ exp = cp_perform_integral_promotions (exp, complain);
/* Perform the other conversions. */
exp = decay_conversion (exp, complain);
@@ -1976,7 +1976,7 @@ default_conversion (tree exp)
converted value. */
tree
-perform_integral_promotions (tree expr)
+cp_perform_integral_promotions (tree expr, tsubst_flags_t complain)
{
tree type;
tree promoted_type;
@@ -1996,10 +1996,18 @@ tree
return expr;
promoted_type = type_promotes_to (type);
if (type != promoted_type)
- expr = cp_convert (promoted_type, expr);
+ expr = cp_convert (promoted_type, expr, complain);
return expr;
}
+/* C version. */
+
+tree
+perform_integral_promotions (tree expr)
+{
+ return cp_perform_integral_promotions (expr, tf_warning_or_error);
+}
+
/* Returns nonzero iff exp is a STRING_CST or the result of applying
decay_conversion to one. */
@@ -2946,7 +2954,7 @@ cp_build_array_ref (location_t loc, tree array, tr
does not say that we should. In fact, the natural thing would
seem to be to convert IDX to ptrdiff_t; we're performing
pointer arithmetic.) */
- idx = perform_integral_promotions (idx);
+ idx = cp_perform_integral_promotions (idx, complain);
/* An array that is indexed by a non-constant
cannot be stored in a register; we must be able to do
@@ -3868,7 +3876,8 @@ cp_build_binary_op (location_t location,
if (code0 == POINTER_TYPE && code1 == POINTER_TYPE
&& same_type_ignoring_top_level_qualifiers_p (TREE_TYPE (type0),
TREE_TYPE (type1)))
- return pointer_diff (op0, op1, common_pointer_type (type0, type1));
+ return pointer_diff (op0, op1, common_pointer_type (type0, type1),
+ complain);
/* In all other cases except pointer - int, the usual arithmetic
rules apply. */
else if (!(code0 == POINTER_TYPE && code1 == INTEGER_TYPE))
@@ -4004,7 +4013,7 @@ cp_build_binary_op (location_t location,
/* Convert the shift-count to an integer, regardless of
size of value being shifted. */
if (TYPE_MAIN_VARIANT (TREE_TYPE (op1)) != integer_type_node)
- op1 = cp_convert (integer_type_node, op1);
+ op1 = cp_convert (integer_type_node, op1, complain);
/* Avoid converting op1 to result_type later. */
converted = 1;
}
@@ -4032,7 +4041,7 @@ cp_build_binary_op (location_t location,
/* Convert the shift-count to an integer, regardless of
size of value being shifted. */
if (TYPE_MAIN_VARIANT (TREE_TYPE (op1)) != integer_type_node)
- op1 = cp_convert (integer_type_node, op1);
+ op1 = cp_convert (integer_type_node, op1, complain);
/* Avoid converting op1 to result_type later. */
converted = 1;
}
@@ -4063,7 +4072,7 @@ cp_build_binary_op (location_t location,
/* Convert the shift-count to an integer, regardless of
size of value being shifted. */
if (TYPE_MAIN_VARIANT (TREE_TYPE (op1)) != integer_type_node)
- op1 = cp_convert (integer_type_node, op1);
+ op1 = cp_convert (integer_type_node, op1, complain);
}
break;
@@ -4163,12 +4172,12 @@ cp_build_binary_op (location_t location,
op0 = cp_build_binary_op (location,
TRUTH_ANDIF_EXPR, e1, e2,
complain);
- op1 = cp_convert (TREE_TYPE (op0), integer_one_node);
+ op1 = cp_convert (TREE_TYPE (op0), integer_one_node, complain);
}
else
{
op0 = build_ptrmemfunc_access_expr (op0, pfn_identifier);
- op1 = cp_convert (TREE_TYPE (op0), op1);
+ op1 = cp_convert (TREE_TYPE (op0), op1, complain);
}
result_type = TREE_TYPE (op0);
}
@@ -4191,9 +4200,9 @@ cp_build_binary_op (location_t location,
CPO_COMPARISON, complain);
if (!same_type_p (TREE_TYPE (op0), type))
- op0 = cp_convert_and_check (type, op0);
+ op0 = cp_convert_and_check (type, op0, complain);
if (!same_type_p (TREE_TYPE (op1), type))
- op1 = cp_convert_and_check (type, op1);
+ op1 = cp_convert_and_check (type, op1, complain);
if (op0 == error_mark_node || op1 == error_mark_node)
return error_mark_node;
@@ -4457,16 +4466,16 @@ cp_build_binary_op (location_t location,
if (first_complex)
{
if (TREE_TYPE (op0) != result_type)
- op0 = cp_convert_and_check (result_type, op0);
+ op0 = cp_convert_and_check (result_type, op0, complain);
if (TREE_TYPE (op1) != real_type)
- op1 = cp_convert_and_check (real_type, op1);
+ op1 = cp_convert_and_check (real_type, op1, complain);
}
else
{
if (TREE_TYPE (op0) != real_type)
- op0 = cp_convert_and_check (real_type, op0);
+ op0 = cp_convert_and_check (real_type, op0, complain);
if (TREE_TYPE (op1) != result_type)
- op1 = cp_convert_and_check (result_type, op1);
+ op1 = cp_convert_and_check (result_type, op1, complain);
}
if (TREE_CODE (op0) == ERROR_MARK || TREE_CODE (op1) == ERROR_MARK)
return error_mark_node;
@@ -4551,7 +4560,7 @@ cp_build_binary_op (location_t location,
tree val
= shorten_compare (&xop0, &xop1, &xresult_type, &xresultcode);
if (val != 0)
- return cp_convert (boolean_type_node, val);
+ return cp_convert (boolean_type_node, val, complain);
op0 = xop0, op1 = xop1;
converted = 1;
resultcode = xresultcode;
@@ -4581,9 +4590,9 @@ cp_build_binary_op (location_t location,
if (! converted)
{
if (TREE_TYPE (op0) != result_type)
- op0 = cp_convert_and_check (result_type, op0);
+ op0 = cp_convert_and_check (result_type, op0, complain);
if (TREE_TYPE (op1) != result_type)
- op1 = cp_convert_and_check (result_type, op1);
+ op1 = cp_convert_and_check (result_type, op1, complain);
if (op0 == error_mark_node || op1 == error_mark_node)
return error_mark_node;
@@ -4595,7 +4604,7 @@ cp_build_binary_op (location_t location,
result = build2 (resultcode, build_type, op0, op1);
result = fold_if_not_in_template (result);
if (final_type != 0)
- result = cp_convert (final_type, result);
+ result = cp_convert (final_type, result, complain);
if (TREE_OVERFLOW_P (result)
&& !TREE_OVERFLOW_P (op0)
@@ -4628,7 +4637,7 @@ cp_pointer_int_sum (enum tree_code resultcode, tre
The resulting tree has type int. */
static tree
-pointer_diff (tree op0, tree op1, tree ptrtype)
+pointer_diff (tree op0, tree op1, tree ptrtype, tsubst_flags_t complain)
{
tree result;
tree restype = ptrdiff_type_node;
@@ -4638,24 +4647,48 @@ static tree
return error_mark_node;
if (TREE_CODE (target_type) == VOID_TYPE)
- permerror (input_location, "ISO C++ forbids using pointer of type %<void *%> in subtraction");
+ {
+ if (complain & tf_error)
+ permerror (input_location, "ISO C++ forbids using pointer of "
+ "type %<void *%> in subtraction");
+ else
+ return error_mark_node;
+ }
if (TREE_CODE (target_type) == FUNCTION_TYPE)
- permerror (input_location, "ISO C++ forbids using pointer to a function in subtraction");
+ {
+ if (complain & tf_error)
+ permerror (input_location, "ISO C++ forbids using pointer to "
+ "a function in subtraction");
+ else
+ return error_mark_node;
+ }
if (TREE_CODE (target_type) == METHOD_TYPE)
- permerror (input_location, "ISO C++ forbids using pointer to a method in subtraction");
+ {
+ if (complain & tf_error)
+ permerror (input_location, "ISO C++ forbids using pointer to "
+ "a method in subtraction");
+ else
+ return error_mark_node;
+ }
/* First do the subtraction as integers;
then drop through to build the divide operator. */
op0 = cp_build_binary_op (input_location,
MINUS_EXPR,
- cp_convert (restype, op0),
- cp_convert (restype, op1),
- tf_warning_or_error);
+ cp_convert (restype, op0, complain),
+ cp_convert (restype, op1, complain),
+ complain);
/* This generates an error if op1 is a pointer to an incomplete type. */
if (!COMPLETE_TYPE_P (TREE_TYPE (TREE_TYPE (op1))))
- error ("invalid use of a pointer to an incomplete type in pointer arithmetic");
+ {
+ if (complain & tf_error)
+ error ("invalid use of a pointer to an incomplete type in "
+ "pointer arithmetic");
+ else
+ return error_mark_node;
+ }
op1 = (TYPE_PTROB_P (ptrtype)
? size_in_bytes (target_type)
@@ -4663,7 +4696,8 @@ static tree
/* Do the division. */
- result = build2 (EXACT_DIV_EXPR, restype, op0, cp_convert (restype, op1));
+ result = build2 (EXACT_DIV_EXPR, restype, op0,
+ cp_convert (restype, op1, complain));
return fold_if_not_in_template (result);
}
@@ -5176,7 +5210,7 @@ cp_build_unary_op (enum tree_code code, tree xarg,
else
{
if (!noconvert && CP_INTEGRAL_TYPE_P (TREE_TYPE (arg)))
- arg = perform_integral_promotions (arg);
+ arg = cp_perform_integral_promotions (arg, complain);
/* Make sure the result is not an lvalue: a unary plus or minus
expression is always a rvalue. */
@@ -5201,7 +5235,7 @@ cp_build_unary_op (enum tree_code code, tree xarg,
arg, true)))
errstring = _("wrong type argument to bit-complement");
else if (!noconvert && CP_INTEGRAL_TYPE_P (TREE_TYPE (arg)))
- arg = perform_integral_promotions (arg);
+ arg = cp_perform_integral_promotions (arg, complain);
break;
case ABS_EXPR:
@@ -5359,7 +5393,7 @@ cp_build_unary_op (enum tree_code code, tree xarg,
else
inc = integer_one_node;
- inc = cp_convert (argtype, inc);
+ inc = cp_convert (argtype, inc, complain);
/* If 'arg' is an Objective-C PROPERTY_REF expression, then we
need to ask Objective-C to build the increment or decrement
@@ -6075,7 +6109,7 @@ build_static_cast_1 (tree type, tree expr, bool c_
|| SCALAR_FLOAT_TYPE_P (type))
&& (INTEGRAL_OR_ENUMERATION_TYPE_P (intype)
|| SCALAR_FLOAT_TYPE_P (intype)))
- return ocp_convert (type, expr, CONV_C_CAST, LOOKUP_NORMAL);
+ return ocp_convert (type, expr, CONV_C_CAST, LOOKUP_NORMAL, complain);
if (TYPE_PTR_P (type) && TYPE_PTR_P (intype)
&& CLASS_TYPE_P (TREE_TYPE (type))
@@ -6418,7 +6452,7 @@ build_reinterpret_cast_1 (tree type, tree expr, bo
return error_mark_node;
}
- return cp_convert (type, expr);
+ return cp_convert (type, expr, complain);
}
tree
@@ -7079,7 +7113,7 @@ cp_build_modify_expr (tree lhs, enum tree_code mod
NULL_TREE, 0, complain, LOOKUP_IMPLICIT);
if (!same_type_p (lhstype, olhstype))
- newrhs = cp_convert_and_check (lhstype, newrhs);
+ newrhs = cp_convert_and_check (lhstype, newrhs, complain);
if (modifycode != INIT_EXPR)
{
@@ -7600,7 +7634,7 @@ convert_for_assignment (tree type, tree rhs,
if (!warn_pmf2ptr
&& TYPE_PTR_P (type)
&& TYPE_PTRMEMFUNC_P (rhstype))
- rhs = cp_convert (strip_top_quals (type), rhs);
+ rhs = cp_convert (strip_top_quals (type), rhs, complain);
else
{
if (complain & tf_error)
===================================================================
@@ -1180,7 +1180,7 @@ expand_virtual_init (tree binfo, tree decl)
gcc_assert (vtbl_ptr != error_mark_node);
/* Assign the vtable to the vptr. */
- vtbl = convert_force (TREE_TYPE (vtbl_ptr), vtbl, 0);
+ vtbl = convert_force (TREE_TYPE (vtbl_ptr), vtbl, 0, tf_warning_or_error);
finish_expr_stmt (cp_build_modify_expr (vtbl_ptr, NOP_EXPR, vtbl,
tf_warning_or_error));
}
@@ -1598,7 +1598,8 @@ expand_default_init (tree binfo, tree true_exp, tr
have already built up the constructor call so we could wrap it
in an exception region. */;
else
- init = ocp_convert (type, init, CONV_IMPLICIT|CONV_FORCE_TEMP, flags);
+ init = ocp_convert (type, init, CONV_IMPLICIT|CONV_FORCE_TEMP,
+ flags, complain);
if (TREE_CODE (init) == MUST_NOT_THROW_EXPR)
/* We need to protect the initialization of a catch parm with a
@@ -2815,7 +2816,7 @@ build_new (VEC(tree,gc) **placement, tree type, tr
return error_mark_node;
}
nelts = mark_rvalue_use (nelts);
- nelts = cp_save_expr (cp_convert (sizetype, nelts));
+ nelts = cp_save_expr (cp_convert (sizetype, nelts, complain));
}
/* ``A reference cannot be created by the new operator. A reference
@@ -3012,12 +3013,12 @@ build_vec_delete_1 (tree base, tree maxindex, tree
base_tbd = cp_build_binary_op (input_location,
MINUS_EXPR,
cp_convert (string_type_node,
- base),
+ base, complain),
cookie_size,
complain);
if (base_tbd == error_mark_node)
return error_mark_node;
- base_tbd = cp_convert (ptype, base_tbd);
+ base_tbd = cp_convert (ptype, base_tbd, complain);
/* True size with header. */
virtual_size = size_binop (PLUS_EXPR, virtual_size, cookie_size);
}
@@ -3189,14 +3190,14 @@ build_vec_init (tree base, tree maxindex, tree ini
return stmt_expr;
}
- maxindex = cp_convert (ptrdiff_type_node, maxindex);
+ maxindex = cp_convert (ptrdiff_type_node, maxindex, complain);
if (TREE_CODE (atype) == ARRAY_TYPE)
{
ptype = build_pointer_type (type);
base = decay_conversion (base, complain);
if (base == error_mark_node)
return error_mark_node;
- base = cp_convert (ptype, base);
+ base = cp_convert (ptype, base, complain);
}
else
ptype = atype;
@@ -3665,7 +3666,7 @@ build_delete (tree type, tree addr, special_functi
addr = save_expr (addr);
/* Throw away const and volatile on target type of addr. */
- addr = convert_force (build_pointer_type (type), addr, 0);
+ addr = convert_force (build_pointer_type (type), addr, 0, complain);
}
else if (TREE_CODE (type) == ARRAY_TYPE)
{
@@ -3691,7 +3692,7 @@ build_delete (tree type, tree addr, special_functi
if (TREE_SIDE_EFFECTS (addr))
addr = save_expr (addr);
- addr = convert_force (build_pointer_type (type), addr, 0);
+ addr = convert_force (build_pointer_type (type), addr, 0, complain);
}
gcc_assert (MAYBE_CLASS_TYPE_P (type));
===================================================================
@@ -366,7 +366,7 @@ build_base_path (enum tree_code code,
/* Now that we've saved expr, build the real null test. */
if (null_test)
{
- tree zero = cp_convert (TREE_TYPE (expr), nullptr_node);
+ tree zero = cp_convert (TREE_TYPE (expr), nullptr_node, complain);
null_test = fold_build2_loc (input_location, NE_EXPR, boolean_type_node,
expr, zero);
}
===================================================================
@@ -8104,9 +8104,10 @@ compute_array_index_type (tree name, tree size, ts
processing_template_decl = 0;
itype = cp_build_binary_op (input_location,
MINUS_EXPR,
- cp_convert (ssizetype, size),
- cp_convert (ssizetype, integer_one_node),
- tf_warning_or_error);
+ cp_convert (ssizetype, size, complain),
+ cp_convert (ssizetype, integer_one_node,
+ complain),
+ complain);
itype = fold (itype);
processing_template_decl = saved_processing_template_decl;
===================================================================
@@ -99,7 +99,7 @@ VEC(tree,gc) *unemitted_tinfo_decls;
and are generated as needed. */
static GTY (()) VEC(tinfo_s,gc) *tinfo_descs;
-static tree ifnonnull (tree, tree);
+static tree ifnonnull (tree, tree, tsubst_flags_t);
static tree tinfo_name (tree, bool);
static tree build_dynamic_cast_1 (tree, tree, tsubst_flags_t);
static tree throw_bad_cast (void);
@@ -336,7 +336,8 @@ build_typeid (tree exp)
This is an lvalue use of expr then. */
exp = mark_lvalue_use (exp);
exp = stabilize_reference (exp);
- cond = cp_convert (boolean_type_node, TREE_OPERAND (exp, 0));
+ cond = cp_convert (boolean_type_node, TREE_OPERAND (exp, 0),
+ tf_warning_or_error);
}
exp = get_tinfo_decl_dynamic (exp);
@@ -498,12 +499,13 @@ get_typeid (tree type)
RESULT, it must have previously had a save_expr applied to it. */
static tree
-ifnonnull (tree test, tree result)
+ifnonnull (tree test, tree result, tsubst_flags_t complain)
{
return build3 (COND_EXPR, TREE_TYPE (result),
build2 (EQ_EXPR, boolean_type_node, test,
- cp_convert (TREE_TYPE (test), nullptr_node)),
- cp_convert (TREE_TYPE (result), nullptr_node),
+ cp_convert (TREE_TYPE (test), nullptr_node,
+ complain)),
+ cp_convert (TREE_TYPE (result), nullptr_node, complain),
result);
}
@@ -596,7 +598,7 @@ build_dynamic_cast_1 (tree type, tree expr, tsubst
/* Apply trivial conversion T -> T& for dereferenced ptrs. */
expr = convert_to_reference (exprtype, expr, CONV_IMPLICIT,
- LOOKUP_NORMAL, NULL_TREE);
+ LOOKUP_NORMAL, NULL_TREE, complain);
}
/* The dynamic_cast operator shall not cast away constness. */
@@ -644,7 +646,7 @@ build_dynamic_cast_1 (tree type, tree expr, tsubst
expr1 = build_headof (expr);
if (TREE_TYPE (expr1) != type)
expr1 = build1 (NOP_EXPR, type, expr1);
- return ifnonnull (expr, expr1);
+ return ifnonnull (expr, expr1, complain);
}
else
{
@@ -752,12 +754,12 @@ build_dynamic_cast_1 (tree type, tree expr, tsubst
neq = cp_truthvalue_conversion (result);
return cp_convert (type,
build3 (COND_EXPR, TREE_TYPE (result),
- neq, result, bad));
+ neq, result, bad), complain);
}
/* Now back to the type we want from a void*. */
- result = cp_convert (type, result);
- return ifnonnull (expr, result);
+ result = cp_convert (type, result, complain);
+ return ifnonnull (expr, result, complain);
}
}
else
===================================================================
@@ -424,7 +424,8 @@ initialize_handler_parm (tree decl, tree exp)
&& TYPE_PTR_P (TREE_TYPE (init_type)))
exp = cp_build_addr_expr (exp, tf_warning_or_error);
- exp = ocp_convert (init_type, exp, CONV_IMPLICIT|CONV_FORCE_TEMP, 0);
+ exp = ocp_convert (init_type, exp, CONV_IMPLICIT|CONV_FORCE_TEMP, 0,
+ tf_warning_or_error);
init = convert_from_reference (exp);
@@ -435,7 +436,8 @@ initialize_handler_parm (tree decl, tree exp)
/* Generate the copy constructor call directly so we can wrap it.
See also expand_default_init. */
init = ocp_convert (TREE_TYPE (decl), init,
- CONV_IMPLICIT|CONV_FORCE_TEMP, 0);
+ CONV_IMPLICIT|CONV_FORCE_TEMP, 0,
+ tf_warning_or_error);
/* Force cleanups now to avoid nesting problems with the
MUST_NOT_THROW_EXPR. */
init = fold_build_cleanup_point_expr (TREE_TYPE (init), init);
===================================================================
@@ -1265,7 +1265,7 @@ process_init_constructor_record (tree type, tree i
/* If this is a bitfield, now convert to the lowered type. */
if (type != TREE_TYPE (field))
- next = cp_convert_and_check (TREE_TYPE (field), next);
+ next = cp_convert_and_check (TREE_TYPE (field), next, complain);
flags |= picflag_from_initializer (next);
CONSTRUCTOR_APPEND_ELT (v, field, next);
}
===================================================================
@@ -565,7 +565,8 @@ finish_goto_stmt (tree destination)
destination = mark_rvalue_use (destination);
if (!processing_template_decl)
{
- destination = cp_convert (ptr_type_node, destination);
+ destination = cp_convert (ptr_type_node, destination,
+ tf_warning_or_error);
if (error_operand_p (destination))
return NULL_TREE;
}
@@ -4527,7 +4528,8 @@ handle_omp_for_class_iterator (int i, location_t l
if (error_operand_p (iter_incr))
return true;
incr = TREE_OPERAND (rhs, 1);
- incr = cp_convert (TREE_TYPE (diff), incr);
+ incr = cp_convert (TREE_TYPE (diff), incr,
+ tf_warning_or_error);
if (TREE_CODE (rhs) == MINUS_EXPR)
{
incr = build1 (NEGATE_EXPR, TREE_TYPE (diff), incr);
@@ -4582,7 +4584,7 @@ handle_omp_for_class_iterator (int i, location_t l
return true;
}
- incr = cp_convert (TREE_TYPE (diff), incr);
+ incr = cp_convert (TREE_TYPE (diff), incr, tf_warning_or_error);
for (c = clauses; c ; c = OMP_CLAUSE_CHAIN (c))
if (OMP_CLAUSE_CODE (c) == OMP_CLAUSE_LASTPRIVATE
&& OMP_CLAUSE_DECL (c) == iter)
@@ -5131,7 +5133,7 @@ finish_static_assert (tree condition, tree message
/* Fold the expression and convert it to a boolean value. */
condition = fold_non_dependent_expr (condition);
- condition = cp_convert (boolean_type_node, condition);
+ condition = cp_convert (boolean_type_node, condition, tf_warning_or_error);
condition = maybe_constant_value (condition);
if (TREE_CODE (condition) == INTEGER_CST && !integer_zerop (condition))
===================================================================
@@ -5413,7 +5413,7 @@ build_op_delete_call (enum tree_code code, tree ad
fns = lookup_name_nonclass (fnname);
/* Strip const and volatile from addr. */
- addr = cp_convert (ptr_type_node, addr);
+ addr = cp_convert (ptr_type_node, addr, tf_warning_or_error);
if (placement)
{
@@ -5685,9 +5685,10 @@ convert_like_real (conversion *convs, tree expr, t
complain);
if (convs->kind == ck_ref_bind)
return convert_to_reference (totype, expr, CONV_IMPLICIT,
- LOOKUP_NORMAL, NULL_TREE);
+ LOOKUP_NORMAL, NULL_TREE,
+ complain);
else
- return cp_convert (totype, expr);
+ return cp_convert (totype, expr, complain);
}
else if (t->kind == ck_user || !t->bad_p)
{
@@ -5712,7 +5713,7 @@ convert_like_real (conversion *convs, tree expr, t
permerror (DECL_SOURCE_LOCATION (fn),
" initializing argument %P of %qD", argnum, fn);
- return cp_convert (totype, expr);
+ return cp_convert (totype, expr, complain);
}
if (issue_conversion_warnings && (complain & tf_warning))
@@ -5851,7 +5852,7 @@ convert_like_real (conversion *convs, tree expr, t
/* Take the address explicitly rather than via decay_conversion
to avoid the error about taking the address of a temporary. */
array = cp_build_addr_expr (array, complain);
- array = cp_convert (build_pointer_type (elttype), array);
+ array = cp_convert (build_pointer_type (elttype), array, complain);
/* Build up the initializer_list object. */
totype = complete_type (totype);
@@ -6017,7 +6018,7 @@ convert_like_real (conversion *convs, tree expr, t
reference. This will adjust the pointer if a derived to
base conversion is being performed. */
expr = cp_convert (build_pointer_type (TREE_TYPE (ref_type)),
- expr);
+ expr, complain);
/* Convert the pointer to the desired reference type. */
return build_nop (ref_type, expr);
}
@@ -6099,9 +6100,9 @@ convert_arg_to_ellipsis (tree arg, tsubst_flags_t
if (complain & tf_warning)
warning_at (loc, OPT_Wabi, "scoped enum %qT will not promote to an "
"integral type in a future version of GCC", arg_type);
- arg = cp_convert (ENUM_UNDERLYING_TYPE (arg_type), arg);
+ arg = cp_convert (ENUM_UNDERLYING_TYPE (arg_type), arg, complain);
}
- arg = perform_integral_promotions (arg);
+ arg = cp_perform_integral_promotions (arg, complain);
}
arg = require_complete_type (arg);
@@ -6336,7 +6337,7 @@ convert_for_arg_passing (tree type, tree val, tsub
&& COMPLETE_TYPE_P (type)
&& INT_CST_LT_UNSIGNED (TYPE_SIZE (type),
TYPE_SIZE (integer_type_node)))
- val = perform_integral_promotions (val);
+ val = cp_perform_integral_promotions (val, complain);
if ((complain & tf_warning)
&& warn_suggest_attribute_format)
{
===================================================================
@@ -38,10 +38,10 @@ along with GCC; see the file COPYING3. If not see
#include "decl.h"
#include "target.h"
-static tree cp_convert_to_pointer (tree, tree);
-static tree convert_to_pointer_force (tree, tree);
+static tree cp_convert_to_pointer (tree, tree, tsubst_flags_t);
+static tree convert_to_pointer_force (tree, tree, tsubst_flags_t);
static tree build_type_conversion (tree, tree);
-static tree build_up_reference (tree, tree, int, tree);
+static tree build_up_reference (tree, tree, int, tree, tsubst_flags_t);
static void warn_ref_binding (location_t, tree, tree, tree);
/* Change of width--truncation and extension of integers or reals--
@@ -74,7 +74,7 @@ static void warn_ref_binding (location_t, tree, tr
else try C-style pointer conversion. */
static tree
-cp_convert_to_pointer (tree type, tree expr)
+cp_convert_to_pointer (tree type, tree expr, tsubst_flags_t complain)
{
tree intype = TREE_TYPE (expr);
enum tree_code form;
@@ -89,15 +89,17 @@ static tree
intype = complete_type (intype);
if (!COMPLETE_TYPE_P (intype))
{
- error_at (loc, "can%'t convert from incomplete type %qT to %qT",
- intype, type);
+ if (complain & tf_error)
+ error_at (loc, "can%'t convert from incomplete type %qT to %qT",
+ intype, type);
return error_mark_node;
}
rval = build_type_conversion (type, expr);
if (rval)
{
- if (rval == error_mark_node)
+ if ((complain & tf_error)
+ && rval == error_mark_node)
error_at (loc, "conversion of %qE from %qT to %qT is ambiguous",
expr, intype, type);
return rval;
@@ -111,7 +113,7 @@ static tree
{
if (TYPE_PTRMEMFUNC_P (intype)
|| TREE_CODE (intype) == METHOD_TYPE)
- return convert_member_func_to_ptr (type, expr, tf_warning_or_error);
+ return convert_member_func_to_ptr (type, expr, complain);
if (TREE_CODE (TREE_TYPE (expr)) == POINTER_TYPE)
return build_nop (type, expr);
intype = TREE_TYPE (expr);
@@ -159,8 +161,7 @@ static tree
if (binfo || same_p)
{
if (binfo)
- expr = build_base_path (code, expr, binfo, 0,
- tf_warning_or_error);
+ expr = build_base_path (code, expr, binfo, 0, complain);
/* Add any qualifier conversions. */
return build_nop (type, expr);
}
@@ -168,8 +169,9 @@ static tree
if (TYPE_PTRMEMFUNC_P (type))
{
- error_at (loc, "cannot convert %qE from type %qT to type %qT",
- expr, intype, type);
+ if (complain & tf_error)
+ error_at (loc, "cannot convert %qE from type %qT to type %qT",
+ expr, intype, type);
return error_mark_node;
}
@@ -178,20 +180,20 @@ static tree
else if ((TYPE_PTRDATAMEM_P (type) && TYPE_PTRDATAMEM_P (intype))
|| (TYPE_PTRMEMFUNC_P (type) && TYPE_PTRMEMFUNC_P (intype)))
return convert_ptrmem (type, expr, /*allow_inverse_p=*/false,
- /*c_cast_p=*/false, tf_warning_or_error);
+ /*c_cast_p=*/false, complain);
else if (TYPE_PTRMEMFUNC_P (intype))
{
if (!warn_pmf2ptr)
{
if (TREE_CODE (expr) == PTRMEM_CST)
- return cp_convert_to_pointer (type,
- PTRMEM_CST_MEMBER (expr));
+ return cp_convert_to_pointer (type, PTRMEM_CST_MEMBER (expr),
+ complain);
else if (TREE_CODE (expr) == OFFSET_REF)
{
tree object = TREE_OPERAND (expr, 0);
return get_member_function_from_ptrfunc (&object,
TREE_OPERAND (expr, 1),
- tf_warning_or_error);
+ complain);
}
}
error_at (loc, "cannot convert %qE from type %qT to type %qT",
@@ -201,14 +203,15 @@ static tree
if (null_ptr_cst_p (expr))
{
- if (c_inhibit_evaluation_warnings == 0
+ if ((complain & tf_warning)
+ && c_inhibit_evaluation_warnings == 0
&& !NULLPTR_TYPE_P (TREE_TYPE (expr)))
warning_at (loc, OPT_Wzero_as_null_pointer_constant,
"zero as null pointer constant");
if (TYPE_PTRMEMFUNC_P (type))
return build_ptrmemfunc (TYPE_PTRMEMFUNC_FN_TYPE (type), expr, 0,
- /*c_cast_p=*/false, tf_warning_or_error);
+ /*c_cast_p=*/false, complain);
if (TYPE_PTRDATAMEM_P (type))
{
@@ -223,7 +226,8 @@ static tree
}
else if (TYPE_PTRMEM_P (type) && INTEGRAL_CODE_P (form))
{
- error_at (loc, "invalid conversion from %qT to %qT", intype, type);
+ if (complain & tf_error)
+ error_at (loc, "invalid conversion from %qT to %qT", intype, type);
return error_mark_node;
}
@@ -231,7 +235,8 @@ static tree
{
if (TYPE_PRECISION (intype) == POINTER_SIZE)
return build1 (CONVERT_EXPR, type, expr);
- expr = cp_convert (c_common_type_for_size (POINTER_SIZE, 0), expr);
+ expr = cp_convert (c_common_type_for_size (POINTER_SIZE, 0), expr,
+ complain);
/* Modes may be different but sizes should be the same. There
is supposed to be some integral type that is the same width
as a pointer. */
@@ -242,10 +247,11 @@ static tree
}
if (type_unknown_p (expr))
- return instantiate_type (type, expr, tf_warning_or_error);
+ return instantiate_type (type, expr, complain);
- error_at (loc, "cannot convert %qE from type %qT to type %qT",
- expr, intype, type);
+ if (complain & tf_error)
+ error_at (loc, "cannot convert %qE from type %qT to type %qT",
+ expr, intype, type);
return error_mark_node;
}
@@ -254,7 +260,7 @@ static tree
(such as conversion from sub-type to private super-type). */
static tree
-convert_to_pointer_force (tree type, tree expr)
+convert_to_pointer_force (tree type, tree expr, tsubst_flags_t complain)
{
tree intype = TREE_TYPE (expr);
enum tree_code form = TREE_CODE (intype);
@@ -284,8 +290,7 @@ static tree
return error_mark_node;
if (binfo)
{
- expr = build_base_path (code, expr, binfo, 0,
- tf_warning_or_error);
+ expr = build_base_path (code, expr, binfo, 0, complain);
if (expr == error_mark_node)
return error_mark_node;
/* Add any qualifier conversions. */
@@ -297,7 +302,7 @@ static tree
}
}
- return cp_convert_to_pointer (type, expr);
+ return cp_convert_to_pointer (type, expr, complain);
}
/* We are passing something to a function which requires a reference.
@@ -309,7 +314,8 @@ static tree
If DIRECT_BIND is set, DECL is the reference we're binding to. */
static tree
-build_up_reference (tree type, tree arg, int flags, tree decl)
+build_up_reference (tree type, tree arg, int flags, tree decl,
+ tsubst_flags_t complain)
{
tree rval;
tree argtype = TREE_TYPE (arg);
@@ -351,12 +357,12 @@ static tree
return error_mark_node;
if (binfo == NULL_TREE)
return error_not_base_type (target_type, argtype);
- rval = build_base_path (PLUS_EXPR, rval, binfo, 1,
- tf_warning_or_error);
+ rval = build_base_path (PLUS_EXPR, rval, binfo, 1, complain);
}
else
rval
- = convert_to_pointer_force (build_pointer_type (target_type), rval);
+ = convert_to_pointer_force (build_pointer_type (target_type),
+ rval, complain);
return build_nop (type, rval);
}
@@ -403,15 +409,13 @@ warn_ref_binding (location_t loc, tree reftype, tr
tree
convert_to_reference (tree reftype, tree expr, int convtype,
- int flags, tree decl)
+ int flags, tree decl, tsubst_flags_t complain)
{
tree type = TYPE_MAIN_VARIANT (TREE_TYPE (reftype));
tree intype;
tree rval = NULL_TREE;
tree rval_as_conversion = NULL_TREE;
bool can_convert_intype_to_type;
- tsubst_flags_t complain = ((flags & LOOKUP_COMPLAIN)
- ? tf_warning_or_error : tf_none);
location_t loc = EXPR_LOC_OR_HERE (expr);
if (TREE_CODE (type) == FUNCTION_TYPE
@@ -457,7 +461,8 @@ convert_to_reference (tree reftype, tree expr, int
tree ttl = TREE_TYPE (reftype);
tree ttr = lvalue_type (expr);
- if (! real_lvalue_p (expr))
+ if ((complain & tf_warning)
+ && ! real_lvalue_p (expr))
warn_ref_binding (loc, reftype, intype, decl);
if (! (convtype & CONV_CONST)
@@ -466,7 +471,7 @@ convert_to_reference (tree reftype, tree expr, int
ttr, reftype);
}
- return build_up_reference (reftype, expr, flags, decl);
+ return build_up_reference (reftype, expr, flags, decl, complain);
}
else if ((convtype & CONV_REINTERPRET) && lvalue_p (expr))
{
@@ -477,16 +482,17 @@ convert_to_reference (tree reftype, tree expr, int
/* B* bp; A& ar = (A&)bp; is valid, but it's probably not what they
meant. */
- if (TREE_CODE (intype) == POINTER_TYPE
+ if ((complain & tf_warning)
+ && TREE_CODE (intype) == POINTER_TYPE
&& (comptypes (TREE_TYPE (intype), type,
COMPARE_BASE | COMPARE_DERIVED)))
warning_at (loc, 0, "casting %qT to %qT does not dereference pointer",
intype, reftype);
- rval = cp_build_addr_expr (expr, tf_warning_or_error);
+ rval = cp_build_addr_expr (expr, complain);
if (rval != error_mark_node)
rval = convert_force (build_pointer_type (TREE_TYPE (reftype)),
- rval, 0);
+ rval, 0, complain);
if (rval != error_mark_node)
rval = build1 (NOP_EXPR, reftype, rval);
}
@@ -494,11 +500,12 @@ convert_to_reference (tree reftype, tree expr, int
{
rval = convert_for_initialization (NULL_TREE, type, expr, flags,
ICR_CONVERTING, 0, 0,
- tf_warning_or_error);
+ complain);
if (rval == NULL_TREE || rval == error_mark_node)
return rval;
- warn_ref_binding (loc, reftype, intype, decl);
- rval = build_up_reference (reftype, rval, flags, decl);
+ if (complain & tf_warning)
+ warn_ref_binding (loc, reftype, intype, decl);
+ rval = build_up_reference (reftype, rval, flags, decl, complain);
}
if (rval)
@@ -595,9 +602,9 @@ cp_fold_convert (tree type, tree expr)
/* C++ conversions, preference to static cast conversions. */
tree
-cp_convert (tree type, tree expr)
+cp_convert (tree type, tree expr, tsubst_flags_t complain)
{
- return ocp_convert (type, expr, CONV_OLD_CONVERT, LOOKUP_NORMAL);
+ return ocp_convert (type, expr, CONV_OLD_CONVERT, LOOKUP_NORMAL, complain);
}
/* C++ equivalent of convert_and_check but using cp_convert as the
@@ -608,16 +615,17 @@ tree
i.e. because of language rules and not because of an explicit cast. */
tree
-cp_convert_and_check (tree type, tree expr)
+cp_convert_and_check (tree type, tree expr, tsubst_flags_t complain)
{
tree result;
if (TREE_TYPE (expr) == type)
return expr;
- result = cp_convert (type, expr);
+ result = cp_convert (type, expr, complain);
- if (c_inhibit_evaluation_warnings == 0
+ if ((complain & tf_warning)
+ && c_inhibit_evaluation_warnings == 0
&& !TREE_OVERFLOW_P (expr)
&& result != error_mark_node)
warnings_for_convert_and_check (type, expr, result);
@@ -630,7 +638,8 @@ tree
FLAGS indicates how we should behave. */
tree
-ocp_convert (tree type, tree expr, int convtype, int flags)
+ocp_convert (tree type, tree expr, int convtype, int flags,
+ tsubst_flags_t complain)
{
tree e = expr;
enum tree_code code = TREE_CODE (type);
@@ -647,7 +656,8 @@ tree
if ((invalid_conv_diag
= targetm.invalid_conversion (TREE_TYPE (expr), type)))
{
- error (invalid_conv_diag);
+ if (complain & tf_error)
+ error (invalid_conv_diag);
return error_mark_node;
}
@@ -696,7 +706,7 @@ tree
if (code == VOID_TYPE && (convtype & CONV_STATIC))
{
- e = convert_to_void (e, ICV_CAST, tf_warning_or_error);
+ e = convert_to_void (e, ICV_CAST, complain);
return e;
}
@@ -714,9 +724,15 @@ tree
&& ! (convtype & CONV_STATIC))
|| TREE_CODE (intype) == POINTER_TYPE)
{
- if (flags & LOOKUP_COMPLAIN)
- permerror (loc, "conversion from %q#T to %q#T", intype, type);
- if (!flag_permissive)
+ if (complain & tf_error)
+ {
+ if (flags & LOOKUP_COMPLAIN)
+ permerror (loc, "conversion from %q#T to %q#T",
+ intype, type);
+ if (!flag_permissive)
+ return error_mark_node;
+ }
+ else
return error_mark_node;
}
@@ -727,7 +743,8 @@ tree
the original value is within the range of the enumeration
values. Otherwise, the resulting enumeration value is
unspecified. */
- if (TREE_CODE (expr) == INTEGER_CST
+ if ((complain & tf_warning)
+ && TREE_CODE (expr) == INTEGER_CST
&& !int_fits_type_p (expr, ENUM_UNDERLYING_TYPE (type)))
warning_at (loc, OPT_Wconversion,
"the result of the conversion is unspecified because "
@@ -740,7 +757,8 @@ tree
rval = build_type_conversion (type, e);
if (rval)
return rval;
- if (flags & LOOKUP_COMPLAIN)
+ if ((complain & tf_error)
+ && (flags & LOOKUP_COMPLAIN))
error_at (loc, "%q#T used where a %qT was expected", intype, type);
return error_mark_node;
}
@@ -748,8 +766,10 @@ tree
{
if (TREE_CODE (intype) == VOID_TYPE)
{
- error_at (loc, "could not convert %qE from %<void%> to %<bool%>",
- expr);
+ if (complain & tf_error)
+ error_at (loc,
+ "could not convert %qE from %<void%> to %<bool%>",
+ expr);
return error_mark_node;
}
@@ -768,7 +788,7 @@ tree
if (NULLPTR_TYPE_P (type) && e && null_ptr_cst_p (e))
return nullptr_node;
if (POINTER_TYPE_P (type) || TYPE_PTRMEM_P (type))
- return fold_if_not_in_template (cp_convert_to_pointer (type, e));
+ return fold_if_not_in_template (cp_convert_to_pointer (type, e, complain));
if (code == VECTOR_TYPE)
{
tree in_vtype = TREE_TYPE (e);
@@ -778,8 +798,10 @@ tree
ret_val = build_type_conversion (type, e);
if (ret_val)
return ret_val;
- if (flags & LOOKUP_COMPLAIN)
- error_at (loc, "%q#T used where a %qT was expected", in_vtype, type);
+ if ((complain & tf_error)
+ && (flags & LOOKUP_COMPLAIN))
+ error_at (loc, "%q#T used where a %qT was expected",
+ in_vtype, type);
return error_mark_node;
}
return fold_if_not_in_template (convert_to_vector (type, e));
@@ -793,8 +815,10 @@ tree
if (rval)
return rval;
else
- if (flags & LOOKUP_COMPLAIN)
- error_at (loc, "%q#T used where a floating point value was expected",
+ if ((complain & tf_error)
+ && (flags & LOOKUP_COMPLAIN))
+ error_at (loc,
+ "%q#T used where a floating point value was expected",
TREE_TYPE (e));
}
if (code == REAL_TYPE)
@@ -826,35 +850,33 @@ tree
return error_mark_node;
if (BRACE_ENCLOSED_INITIALIZER_P (ctor))
- ctor = perform_implicit_conversion (type, ctor, tf_warning_or_error);
+ ctor = perform_implicit_conversion (type, ctor, complain);
else if ((flags & LOOKUP_ONLYCONVERTING)
&& ! (CLASS_TYPE_P (dtype) && DERIVED_FROM_P (type, dtype)))
/* For copy-initialization, first we create a temp of the proper type
with a user-defined conversion sequence, then we direct-initialize
the target with the temp (see [dcl.init]). */
- ctor = build_user_type_conversion (type, ctor, flags,
- tf_warning_or_error);
+ ctor = build_user_type_conversion (type, ctor, flags, complain);
else
{
VEC(tree,gc) *ctor_vec = make_tree_vector_single (ctor);
ctor = build_special_member_call (NULL_TREE,
complete_ctor_identifier,
&ctor_vec,
- type, flags,
- tf_warning_or_error);
+ type, flags, complain);
release_tree_vector (ctor_vec);
}
if (ctor)
- return build_cplus_new (type, ctor, tf_warning_or_error);
+ return build_cplus_new (type, ctor, complain);
}
if (flags & LOOKUP_COMPLAIN)
{
/* If the conversion failed and expr was an invalid use of pointer to
member function, try to report a meaningful error. */
- if (invalid_nonstatic_memfn_p (expr, tf_warning_or_error))
+ if (invalid_nonstatic_memfn_p (expr, complain))
/* We displayed the error message. */;
- else
+ else if (complain & tf_error)
error_at (loc, "conversion from %qT to non-scalar type %qT requested",
TREE_TYPE (expr), type);
}
@@ -1416,7 +1438,8 @@ convert (tree type, tree expr)
return fold_if_not_in_template (build_nop (type, expr));
return ocp_convert (type, expr, CONV_OLD_CONVERT,
- LOOKUP_NORMAL|LOOKUP_NO_CONVERSION);
+ LOOKUP_NORMAL|LOOKUP_NO_CONVERSION,
+ tf_warning_or_error);
}
/* Like cp_convert, except permit conversions to take place which
@@ -1424,7 +1447,7 @@ convert (tree type, tree expr)
(such as conversion from sub-type to private super-type). */
tree
-convert_force (tree type, tree expr, int convtype)
+convert_force (tree type, tree expr, int convtype, tsubst_flags_t complain)
{
tree e = expr;
enum tree_code code = TREE_CODE (type);
@@ -1432,10 +1455,11 @@ tree
if (code == REFERENCE_TYPE)
return (fold_if_not_in_template
(convert_to_reference (type, e, CONV_C_CAST, LOOKUP_COMPLAIN,
- NULL_TREE)));
+ NULL_TREE, complain)));
if (code == POINTER_TYPE)
- return fold_if_not_in_template (convert_to_pointer_force (type, e));
+ return fold_if_not_in_template (convert_to_pointer_force (type, e,
+ complain));
/* From typeck.c convert_for_assignment */
if (((TREE_CODE (TREE_TYPE (e)) == POINTER_TYPE && TREE_CODE (e) == ADDR_EXPR
@@ -1446,9 +1470,9 @@ tree
&& TYPE_PTRMEMFUNC_P (type))
/* compatible pointer to member functions. */
return build_ptrmemfunc (TYPE_PTRMEMFUNC_FN_TYPE (type), e, 1,
- /*c_cast_p=*/1, tf_warning_or_error);
+ /*c_cast_p=*/1, complain);
- return ocp_convert (type, e, CONV_C_CAST|convtype, LOOKUP_NORMAL);
+ return ocp_convert (type, e, CONV_C_CAST|convtype, LOOKUP_NORMAL, complain);
}
/* Convert an aggregate EXPR to type XTYPE. If a conversion
===================================================================
@@ -5001,16 +5001,19 @@ extern void adjust_clone_args (tree);
extern void deduce_noexcept_on_destructor (tree);
/* in cvt.c */
-extern tree convert_to_reference (tree, tree, int, int, tree);
+extern tree convert_to_reference (tree, tree, int, int, tree,
+ tsubst_flags_t);
extern tree convert_from_reference (tree);
extern tree force_rvalue (tree, tsubst_flags_t);
-extern tree ocp_convert (tree, tree, int, int);
-extern tree cp_convert (tree, tree);
-extern tree cp_convert_and_check (tree, tree);
+extern tree ocp_convert (tree, tree, int, int,
+ tsubst_flags_t);
+extern tree cp_convert (tree, tree, tsubst_flags_t);
+extern tree cp_convert_and_check (tree, tree, tsubst_flags_t);
extern tree cp_fold_convert (tree, tree);
extern tree convert_to_void (tree, impl_conv_void,
tsubst_flags_t);
-extern tree convert_force (tree, tree, int);
+extern tree convert_force (tree, tree, int,
+ tsubst_flags_t);
extern tree build_expr_type_conversion (int, tree, bool);
extern tree type_promotes_to (tree);
extern tree perform_qualification_conversions (tree, tree);
@@ -5899,6 +5902,7 @@ extern void check_template_keyword (tree);
extern bool check_raw_literal_operator (const_tree decl);
extern bool check_literal_operator_args (const_tree, bool *, bool *);
extern void maybe_warn_about_useless_cast (tree, tree, tsubst_flags_t);
+extern tree cp_perform_integral_promotions (tree, tsubst_flags_t);
/* in typeck2.c */
extern void require_complete_eh_spec_types (tree, tree);