re PR c++/41967 (gcc get into endless loop when compiling an openmp program)

	PR c++/41967
	* parser.c (cp_parser_omp_for_loop): After diagnosing not perfectly
	nested loop and parsing statements, don't cp_parser_require }, instead
	exit the loop if next token is CPP_EOF.

	* g++.dg/gomp/pr41967.C: New test.

From-SVN: r153972

gcc/cp/ChangeLog

+2009-11-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/41967
+	* parser.c (cp_parser_omp_for_loop): After diagnosing not perfectly
+	nested loop and parsing statements, don't cp_parser_require }, instead
+	exit the loop if next token is CPP_EOF.
+
 2009-11-05  Jason Merrill  <jason@redhat.com>
 
 	PR c++/34180

gcc/cp/parser.c

@@ -22424,7 +22424,8 @@ cp_parser_omp_for_loop (cp_parser *parser, tree clauses, tree *par_clauses)
 	    }
 	  collapse_err = true;
 	  cp_parser_statement_seq_opt (parser, NULL);
-	  cp_parser_require (parser, CPP_CLOSE_BRACE, "%<}%>");
+	  if (cp_lexer_next_token_is (parser->lexer, CPP_EOF))
+	    break;
 	}
     }
 

gcc/testsuite/ChangeLog

+2009-11-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/41967
+	* g++.dg/gomp/pr41967.C: New test.
+
 2009-11-06  Michael Matz  <matz@suse.de>
 
 	PR middle-end/41963

gcc/testsuite/g++.dg/gomp/pr41967.C

+// PR c++/41967
+// { dg-do compile }
+// { dg-options "-fopenmp" }
+
+int
+foo ()
+{
+  int sum = 0;
+#pragma omp for collapse(2)
+  for (int i = 0; i < 5; ++i)
+    {
+      for (int j = 0; j < 5; ++j)
+	++sum;
+      ++sum;	// { dg-error "collapsed loops not perfectly nested" }
+    }
+  return sum;
+}