c-typeck.c (output_init_element): Return early if value is error_mark_node.

	* c-typeck.c (output_init_element): Return early if value is
	error_mark_node.

testsuite:
	* gcc.dg/init-undef-1.c: New test.

From-SVN: r90146

gcc/ChangeLog

+2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
+
+	* c-typeck.c (output_init_element): Return early if value is
+	error_mark_node.
+
 2004-11-05  James E Wilson  <wilson@specifixinc.com>
 
 	* invoke.texi (-fno-guess-branch-probability): Rewrite.

gcc/c-typeck.c

@@ -5667,7 +5667,7 @@ static void
 output_init_element (tree value, bool strict_string, tree type, tree field,
 		     int pending)
 {
-  if (type == error_mark_node)
+  if (type == error_mark_node || value == error_mark_node)
     {
       constructor_erroneous = 1;
       return;

gcc/testsuite/ChangeLog

 2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
 
+	* gcc.dg/init-undef-1.c: New test.
+
+2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>
+
 	* gcc.dg/20040910-1.c, gcc.dg/cpp/digraph2.c,
 	gcc.dg/cpp/direct2.c, gcc.dg/cpp/direct2s.c,
 	gcc.dg/cpp/separate-1.c, gcc.dg/noncompile/951123-1.c,

gcc/testsuite/gcc.dg/init-undef-1.c

+/* Invalid initializers should not receive an "is not constant"
+   error.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+int p = c; /* { dg-error "undeclared" } */
+struct s { int a; } x = { b }; /* { dg-error "undeclared" } */