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C++ PATCH for c++/60409 (ICE with non-dependent call in c++1y mode)

Message ID 53177A05.2040607@redhat.com
State New
Headers show

Commit Message

Jason Merrill March 5, 2014, 7:24 p.m. UTC 
Various code was being confused by the PAREN_EXPR.  Let's only add them 
when the expression is dependent.

Tested x86_64-pc-linux-gnu, applying to trunk.
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Patch

commit 96995b9f04091798416d64c572950df31d3add8a
Author: Jason Merrill <jason@redhat.com>
Date:   Wed Mar 5 13:19:16 2014 -0500

    	PR c++/60409
    	* semantics.c (force_paren_expr): Only add a PAREN_EXPR to a
    	dependent expression.

diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 4081e0e..d2c453f 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -1609,7 +1609,7 @@  force_paren_expr (tree expr)
       && TREE_CODE (expr) != SCOPE_REF)
     return expr;
 
-  if (processing_template_decl)
+  if (type_dependent_expression_p (expr))
     expr = build1 (PAREN_EXPR, TREE_TYPE (expr), expr);
   else
     {
diff --git a/gcc/testsuite/g++.dg/cpp1y/regress1.C b/gcc/testsuite/g++.dg/cpp1y/regress1.C
new file mode 100644
index 0000000..94b00eb
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/regress1.C
@@ -0,0 +1,12 @@ 
+// PR c++/60409
+// { dg-options -std=c++1y }
+
+struct A
+{
+  void foo();
+};
+
+template<typename T> void bar(T)
+{
+  (A().foo)();
+}