re PR middle-end/36997 (ICE with incompatible arg to '__builtin_ia32_paddq)

2008-08-01  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36997
	* gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.

	* gcc.dg/pr36997.c: New testcase.

From-SVN: r138515

gcc/ChangeLog

 2008-08-01  Richard Guenther  <rguenther@suse.de>
 
+	PR middle-end/36997
+	* gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
+
+2008-08-01  Richard Guenther  <rguenther@suse.de>
+
 	PR tree-optimization/36988
 	* tree-ssa-ccp.c (ccp_fold): Conversions of constants only
 	do not matter if that doesn't change volatile qualification.

gcc/gimplify.c

@@ -2465,7 +2465,7 @@ gimplify_call_expr (tree *expr_p, gimple_seq *pre_p, bool want_value)
     }
   else
     {
-      *expr_p = NULL_TREE;
+      *expr_p = error_mark_node;
       return GS_ERROR;
     }
 

gcc/testsuite/ChangeLog

+2008-08-01  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/36997
+	* gcc.dg/pr36997.c: New testcase.
+
 2008-08-01  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/deferred_const1.adb: New test.

gcc/testsuite/gcc.dg/pr36997.c

+/* { dg-do compile { target x86_64-*-* i?86-*-* } } */
+/* { dg-options "-std=c99" } */
+
+typedef int __m64 __attribute__ ((__vector_size__ (8), __may_alias__));
+__m64 _mm_add_si64 (__m64 __m1, __m64 __m2)
+{
+    return (__m64) __builtin_ia32_paddq ((long long)__m1, (long long)__m2); /* { dg-error "incompatible type" } */
+}