re PR rtl-optimization/45678 (crash on vector code with -m32 -msse)

2010-09-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45678
	* gcc.dg/torture/pr45678-1.c: New testcase.

From-SVN: r164369

gcc/testsuite/ChangeLog

+2010-09-17  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/45678
+	* gcc.dg/torture/pr45678-1.c: New testcase.
+
 2010-09-17  Michael Matz  <matz@suse.de>
 
 	PR tree-optimization/43432

gcc/testsuite/gcc.dg/torture/pr45678-1.c

+/* { dg-do run } */
+
+typedef float V __attribute__ ((vector_size (16)));
+V g;
+float d[4] = { 4, 3, 2, 1 };
+
+int
+main ()
+{
+  V e;
+  __builtin_memcpy (&e, &d, sizeof (d));
+  V f = { 5, 15, 25, 35 };
+  e = e * f;
+  g = e;
+  return 0;
+}