Re: [C++ Patch] PR 57947

[Paolo Carlini]

Hi,

On 07/30/2013 03:30 PM, Jason Merrill wrote:

How about just returning false from is_std_init_list in C++98 mode?

Sure. It works great.

Thanks,
Paolo.

////////////////////

/cp
2013-07-30  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/57947
        * call.c (is_std_init_list): Return false if cxx_dialect == cxx98.

/testsuite
2013-07-30  Paolo Carlini  <paolo.carl...@oracle.com>

        PR c++/57947
        * g++.dg/parse/crash63.C: New.

Index: cp/call.c
===================================================================
--- cp/call.c   (revision 201331)
+++ cp/call.c   (working copy)
@@ -9396,6 +9396,8 @@ is_std_init_list (tree type)
   /* Look through typedefs.  */
   if (!TYPE_P (type))
     return false;
+  if (cxx_dialect == cxx98)
+    return false;
   type = TYPE_MAIN_VARIANT (type);
   return (CLASS_TYPE_P (type)
          && CP_TYPE_CONTEXT (type) == std_node
Index: testsuite/g++.dg/parse/crash63.C
===================================================================
--- testsuite/g++.dg/parse/crash63.C    (revision 0)
+++ testsuite/g++.dg/parse/crash63.C    (working copy)
@@ -0,0 +1,10 @@
+// PR c++/57947
+// { dg-options "-std=c++98" }
+
+namespace std
+{
+  template <class E> class initializer_list {};
+  template <int N> struct D { D(initializer_list<int>) {} };
+  D<0> d {1, 2, 3};  // { dg-error "constructor|no matching" }
+  // { dg-warning "initializer list" "" { target *-*-* } 8 }
+}