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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@138515 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d22df09..dc1c260 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 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.

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 0f5605a..e7fc167 100644 (file)
--- a/gcc/gimplify.c
+++ b/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;
     }
 

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index cde9a26..1d0dc17 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+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.

diff --git a/gcc/testsuite/gcc.dg/pr36997.c b/gcc/testsuite/gcc.dg/pr36997.c
new file mode 100644 (file)
index 0000000..34ee54a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr36997.c
@@ -0,0 +1,8 @@
+/* { 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" } */
+}