re PR c/37529 (ICE with invalid goto)

	PR c/37529
	* gimplify.c (gimplify_expr) <case GOTO_EXPR>: If gimplification of
	GOTO_DESTINATION failed, don't create GIMPLE_GOTO.

	* gcc.dg/pr37529.c: New test.

From-SVN: r140402

gcc/ChangeLog

 2008-09-16  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c/37529
+	* gimplify.c (gimplify_expr) <case GOTO_EXPR>: If gimplification of
+	GOTO_DESTINATION failed, don't create GIMPLE_GOTO.
+
 	PR c++/37530
 	* gimplify.c (gimplify_expr) <case TRY_CATCH_EXPR>: Don't create
 	GIMPLE_TRY if cleanup sequence is empty.

gcc/gimplify.c

@@ -6483,8 +6483,12 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p,
 	  /* If the target is not LABEL, then it is a computed jump
 	     and the target needs to be gimplified.  */
 	  if (TREE_CODE (GOTO_DESTINATION (*expr_p)) != LABEL_DECL)
+	    {
 	      ret = gimplify_expr (&GOTO_DESTINATION (*expr_p), pre_p,
 				   NULL, is_gimple_val, fb_rvalue);
+	      if (ret == GS_ERROR)
+		break;
+	    }
 	  gimplify_seq_add_stmt (pre_p,
 			  gimple_build_goto (GOTO_DESTINATION (*expr_p)));
 	  break;

gcc/testsuite/ChangeLog

 2008-09-16  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c/37529
+	* gcc.dg/pr37529.c: New test.
+
 	PR c++/37530
 	* g++.dg/parse/crash48.C: New test.
 

gcc/testsuite/gcc.dg/pr37529.c

+/* PR c/37529 */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu89" } */
+
+void
+foo ()
+{
+  goto *;	/* { dg-error "expected expression before" } */
+}