re PR c/35436 (ICE with attribute "format")

PR c/35436
	* c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.

	* gcc.dg/format/gcc_gfc-2.c: New test.

From-SVN: r133800

gcc/ChangeLog

@@ -1,3 +1,8 @@
+2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
+
+	PR c/35436
+	* c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
+
 2008-04-02  Ben Elliston  <bje@au.ibm.com>
 
 	* config/v850/v850.md (casesi): Remove if (0) code.

gcc/c-format.c

@@ -2474,7 +2474,8 @@ init_dynamic_gfc_info (void)
 	  locus = identifier_global_value (locus);
 	  if (locus)
 	    {
-	      if (TREE_CODE (locus) != TYPE_DECL)
+	      if (TREE_CODE (locus) != TYPE_DECL
+		  || TREE_TYPE (locus) == error_mark_node)
 		{
 		  error ("%<locus%> is not defined as a type");
 		  locus = 0;

gcc/testsuite/ChangeLog

@@ -1,6 +1,11 @@
+2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
+
+	PR c/35436
+	* gcc.dg/format/gcc_gfc-2.c: New test.
+
 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
 
-	* g++.db/bprob/bprob.exp: Do not check gcno files.
+	* g++.dg/bprob/bprob.exp: Do not check gcno files.
 	Use -fprofile-use for profile use.
 	* gcc.misc-tests/bprob.exp: Ditto.
 	* g++.dg/tree-pro/tree-prof.exp: Do not check gcno files.

gcc/testsuite/gcc.dg/format/gcc_gfc-2.c

@@ -0,0 +1,13 @@
+/* PR c/35436 */
+/* { dg-do compile } */
+/* { dg-options "-Wformat" } */
+
+typedef void locus[1]; /* { dg-error "array of void" } */
+
+void foo(const char*, ...)
+  __attribute__((__format__(__gcc_gfc__, 1, 2))); /* { dg-error "locus" } */
+
+void bar()
+{
+  foo("%L", 0); /* { dg-warning "format" }  */
+}