@@ -17585,9 +17585,13 @@ scope_die_for (tree t, dw_die_ref context_die)
{
gcc_assert (debug_info_level <= DINFO_LEVEL_TERSE
|| TREE_ASM_WRITTEN (containing_scope));
+ /*We are not in the middle of emitting the type
+ CONTAINING_SCOPE. Let's see if it's emitted already. */
+ scope_die = lookup_type_die (containing_scope);
/* If none of the current dies are suitable, we get file scope. */
- scope_die = comp_unit_die;
+ if (scope_die == NULL)
+ scope_die = comp_unit_die;
}
else
scope_die = lookup_type_die (containing_scope);
new file mode 100644
@@ -0,0 +1,37 @@
+/*
+ Origin: PR debug/45024
+ { dg-options "-g -dA -fno-merge-debug-strings" }
+ { dg-do compile }
+*/
+
+struct S {
+ template<typename Z> struct T { };
+};
+
+S::T<int> tval;
+
+/*
+We want to express that the DIE of S::T<int> must be a child of the DIE of S, like in assembly this output:
+
+ .uleb128 0x2 # (DIE (0x9e) DW_TAG_structure_type)
+ .ascii "S\0" # DW_AT_name
+ .byte 0x1 # DW_AT_byte_size
+ .byte 0x1 # DW_AT_decl_file (../../prtests/test-PR45024.cc)
+ .byte 0x1 # DW_AT_decl_line
+ .long 0xbc # DW_AT_sibling
+ .uleb128 0x3 # (DIE (0xa8) DW_TAG_structure_type)
+ .ascii "T<int>\0" # DW_AT_name
+ .byte 0x1 # DW_AT_byte_size
+ .byte 0x1 # DW_AT_decl_file (../../prtests/test-PR45024.cc)
+ .byte 0x2 # DW_AT_decl_line
+ .uleb128 0x4 # (DIE (0xb3) DW_TAG_template_type_param)
+ .ascii "Z\0" # DW_AT_name
+ .long 0xbc # DW_AT_type
+ .byte 0 # end of children of DIE 0xa8
+ .byte 0 # end of children of DIE 0x9e
+
+Hence the slightly odd regexp:
+
+ { dg-final { scan-assembler "\[^\n\r\]*\\(DIE\[^\n\r\]*DW_TAG_structure_type\\)\[\n\r\]+\[^\n\r\]*\"S\\\\0\"\[ \t\]+#\[ \t\]+DW_AT_name\[\n\r\]+\(.*\)?\\(DIE\[^\n\r\]*DW_TAG_structure_type\\)\[\n\r\]+\[^\n\r\]*\"T<int>\\\\0\"\[ \t\]+\(.*\)?\\(DIE\[^\n\r\]*DW_TAG_template_type_param\\)\[\n\r\]+\[^\n\r\]*\[\n\r\]+\[^\n\r\]*\[\n\r\]+\[^\n\r\]*#\[ \t\]+end of children of DIE\[^\n\r\]*\[\n\r\]+\[^\n\r\]*end of children of DIE\[^\n\r\]*" } }
+
+ */