re PR c++/47277 ([C++0x] pseudo destructor code that cause an internal compiler…

re PR c++/47277 ([C++0x] pseudo destructor code that cause an internal compiler error with std=gnu++0x)

	PR c++/47277
	* parser.c (cp_parser_pseudo_destructor_name): Commit to parse
	after we see the ~.

From-SVN: r174385

gcc/cp/ChangeLog

 2011-05-27  Jason Merrill  <jason@redhat.com>
 
+	PR c++/47277
+	* parser.c (cp_parser_pseudo_destructor_name): Commit to parse
+	after we see the ~.
+
 	* mangle.c (mangle_decl_string): Make sure we don't try to mangle
 	templates.
 

gcc/cp/parser.c

@@ -5642,6 +5642,11 @@ cp_parser_pseudo_destructor_name (cp_parser* parser,
 
   /* Look for the `~'.  */
   cp_parser_require (parser, CPP_COMPL, RT_COMPL);
+
+  /* Once we see the ~, this has to be a pseudo-destructor.  */
+  if (!processing_template_decl && !cp_parser_error_occurred (parser))
+    cp_parser_commit_to_tentative_parse (parser);
+
   /* Look for the type-name again.  We are not responsible for
      checking that it matches the first type-name.  */
   *type = cp_parser_nonclass_name (parser);

gcc/testsuite/ChangeLog

 2011-05-27  Jason Merrill  <jason@redhat.com>
 
+	* g++.dg/cpp0x/enum18.C: Adjust.
+
 	* g++.dg/cpp0x/lambda/lambda-template2.C: New.
 
 2011-05-27  Tobias Burnus  <burnus@net-b.de>

gcc/testsuite/g++.dg/cpp0x/enum18.C

@@ -2,7 +2,7 @@
 // { dg-options -std=c++0x }
 
 int main(void) {
-           enum e {};
-           e ev;
-           ev.e::~e_u();	// { dg-error "" }
+  enum e {};
+  e ev;
+  ev.e::~e_u();	// { dg-error "e_u. has not been declared" }
 }