[C++ Patch] One more error + error to error + inform

[Paolo Carlini]

Hi,

one more I missed. Tested x86_64-linux. Should be obvious too...
Thanks,
Paolo.

PS: I still have pending: 
https://gcc.gnu.org/ml/gcc-patches/2016-06/msg01116.html

//////////////////////
/cp
2016-06-17  Paolo Carlini  <paolo.carl...@oracle.com>

        * decl.c (grokfndecl): Change pair of errors to error + inform.

/testsuite
2016-06-17  Paolo Carlini  <paolo.carl...@oracle.com>

        * g++.dg/cpp0x/defaulted31.C: Adjust for dg-message vs dg-error.
Index: cp/decl.c
===================================================================
--- cp/decl.c   (revision 237547)
+++ cp/decl.c   (working copy)
@@ -8295,7 +8295,8 @@ grokfndecl (tree ctype,
          else if (DECL_DEFAULTED_FN (old_decl))
            {
              error ("definition of explicitly-defaulted %q+D", decl);
-             error ("%q+#D explicitly defaulted here", old_decl);
+             inform (DECL_SOURCE_LOCATION (old_decl),
+                     "%q#D explicitly defaulted here", old_decl);
              return NULL_TREE;
            }
 
Index: testsuite/g++.dg/cpp0x/defaulted31.C
===================================================================
--- testsuite/g++.dg/cpp0x/defaulted31.C        (revision 237547)
+++ testsuite/g++.dg/cpp0x/defaulted31.C        (working copy)
@@ -4,7 +4,7 @@
 struct A
 {
   A() { }                      // { dg-message "defined" }
-  ~A() = default;              // { dg-error "defaulted" }
+  ~A() = default;              // { dg-message "defaulted" }
 };
 
 A::A() = default;              // { dg-error "redefinition" }