Re: [C++ Patch] PR 63985

[Paolo Carlini]

... oops, sent the wrong patch. See the below instead.

Paolo.

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

Index: cp/parser.c
===================================================================
--- cp/parser.c (revision 218348)
+++ cp/parser.c (working copy)
@@ -10841,6 +10841,7 @@ cp_parser_for_init_statement (cp_parser* parser, t
     {
       bool is_range_for = false;
       bool saved_colon_corrects_to_scope_p = parser->colon_corrects_to_scope_p;
+      location_t loc = cp_lexer_peek_token (parser->lexer)->location;
 
       if (cp_lexer_next_token_is (parser->lexer, CPP_NAME)
          && cp_lexer_nth_token_is (parser->lexer, 2, CPP_COLON))
@@ -10881,6 +10882,8 @@ cp_parser_for_init_statement (cp_parser* parser, t
                       "-std=c++11 or -std=gnu++11");
              *decl = error_mark_node;
            }
+         else if (*decl == error_mark_node)
+           error_at (loc, "invalid declaration in range-based %<for%> loop");  
    
        }
       else
          /* The ';' is not consumed yet because we told
Index: testsuite/g++.dg/cpp0x/range-for29.C
===================================================================
--- testsuite/g++.dg/cpp0x/range-for29.C        (revision 0)
+++ testsuite/g++.dg/cpp0x/range-for29.C        (working copy)
@@ -0,0 +1,10 @@
+// PR c++/63985
+// { dg-require-effective-target c++11 }
+
+int main()
+{
+  int arr;
+  for (int i = 5: arr)  // { dg-error "invalid declaration" }
+    return 1;
+  return 0;
+}