re PR rtl-optimization/50765 (ICE: in expand_insn, at optabs.c:7681 with…

re PR rtl-optimization/50765 (ICE: in expand_insn, at optabs.c:7681 with -ftree-vectorize -fno-tree-dce)

	PR tree-optimization/50765
	* gcc.dg/pr50765.c: New test.

From-SVN: r181617

gcc/testsuite/ChangeLog

+2011-11-22  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/50765
+	* gcc.dg/pr50765.c: New test.
+
 2011-11-22  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 
         * gcc.dg/vshift-1.c (main): Call rand instead of random.

gcc/testsuite/gcc.dg/pr50765.c

+/* PR tree-optimization/50765 */
+/* { dg-do compile } */
+/* { dg-options "-O3 -fno-tree-dce" } */
+
+void
+foo (long *w, long *x, unsigned char *y, int z)
+{
+  for (; z < 429; z++)
+    w[z] = (-19 ^ y[z]) & x[z];
+}