20071018-1.c: New testcase.

2007-10-19  Richard Guenther  <rguenther@suse.de>

        * gcc.c-torture/execute/20071018-1.c: New testcase.

From-SVN: r129485

gcc/testsuite/ChangeLog

 2007-10-19  Richard Guenther  <rguenther@suse.de>
 
+	* gcc.c-torture/execute/20071018-1.c: New testcase.
+
+2007-10-19  Richard Guenther  <rguenther@suse.de>
+
 	PR middle-end/32921
 	* gfortran.dg/pr32921.f: New testcase.
 

gcc/testsuite/gcc.c-torture/execute/20071018-1.c

+extern void abort(void);
+
+struct foo {
+  int rank;
+  char *name;
+};
+
+struct mem {
+  struct foo *x[4];
+};
+
+void __attribute__((noinline)) bar(struct foo **f)
+{
+  *f = __builtin_malloc(sizeof(struct foo));
+}
+struct foo * foo(int rank)
+{
+  void *x = __builtin_malloc(sizeof(struct mem));
+  struct mem *as = x;
+  struct foo **upper = &as->x[rank * 8 - 1];
+  *upper = 0;
+  bar(upper);
+  return *upper;
+}
+
+int main()
+{
+  if (foo(0) == 0)
+    abort ();
+  return 0;
+}