Skip local error_mark_node decls

There is no need to finalize local error_mark_node decls.

gcc/

	PR target/66810
	* cgraphbuild.c (pass_build_cgraph_edges::execute): Skip local
	error_mark_node decls.

gcc/testsuite/

	PR target/66810
	* gcc.target/i386/pr66810.c: New test.

From-SVN: r229083

gcc/ChangeLog

 2015-10-20  H.J. Lu  <hongjiu.lu@intel.com>
 
+	PR target/66810
+	* cgraphbuild.c (pass_build_cgraph_edges::execute): Skip local
+	error_mark_node decls.
+
+2015-10-20  H.J. Lu  <hongjiu.lu@intel.com>
+
 	PR target/67963
 	PR target/67985
 	* common/config/i386/i386-common.c (ix86_handle_option): Remove

gcc/cgraphbuild.c

@@ -381,7 +381,8 @@ pass_build_cgraph_edges::execute (function *fun)
   FOR_EACH_LOCAL_DECL (fun, ix, decl)
     if (TREE_CODE (decl) == VAR_DECL
 	&& (TREE_STATIC (decl) && !DECL_EXTERNAL (decl))
-	&& !DECL_HAS_VALUE_EXPR_P (decl))
+	&& !DECL_HAS_VALUE_EXPR_P (decl)
+	&& TREE_TYPE (decl) != error_mark_node)
       varpool_node::finalize_decl (decl);
   record_eh_tables (node, fun);
 

gcc/testsuite/ChangeLog

 2015-10-20  H.J. Lu  <hongjiu.lu@intel.com>
 
+	PR target/66810
+	* gcc.target/i386/pr66810.c: New test.
+
+2015-10-20  H.J. Lu  <hongjiu.lu@intel.com>
+
 	PR target/67963
 	PR target/67985
 	* gcc.target/i386/pr67963-1.c: New test.

gcc/testsuite/gcc.target/i386/pr66810.c

+/* { dg-do compile { target ia32 } } */
+/* { dg-options "-mno-sse -mno-mmx -miamcu" } */
+
+int vv;
+
+void
+i (void)
+{
+  static int a[vv]; /* { dg-error "storage size" } */
+}