re PR c/23439 ("f(){for" crashes the C frontend)

	PR c/23439
	* c-parser.c (c_parser_for_statement): Use location of RID_FOR
	to initialize loc.

	* gcc.dg/for-1.c: New test.

From-SVN: r105422

gcc/ChangeLog

+2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c/23439
+	* c-parser.c (c_parser_for_statement): Use location of RID_FOR
+	to initialize loc.
+
 2005-10-14  Per Bothner  <per@bothner.com>
 
 	PR preprocessor/21250

gcc/c-parser.c

@@ -3776,8 +3776,9 @@ static void
 c_parser_for_statement (c_parser *parser)
 {
   tree block, cond, incr, save_break, save_cont, body;
-  location_t loc = UNKNOWN_LOCATION;
+  location_t loc;
   gcc_assert (c_parser_next_token_is_keyword (parser, RID_FOR));
+  loc = c_parser_peek_token (parser)->location;
   c_parser_consume_token (parser);
   block = c_begin_compound_stmt (flag_isoc99);
   if (c_parser_require (parser, CPP_OPEN_PAREN, "expected %<(%>"))

gcc/testsuite/ChangeLog

+2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c/23439
+	* gcc.dg/for-1.c: New test.
+
 2005-10-14  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/19565

gcc/testsuite/gcc.dg/for-1.c

+/* PR c/23439 */
+/* Origin: Serge Belyshev <belyshev@depni.sinp.msu.ru> */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+# 0 "for-1.c"
+void foo() { for  /* { dg-error "at end of input" "" { target *-*-* } 0 } */