re PR tree-optimization/47411 (Bootstrap failure on x86-64/Darwin)

2011-01-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47411
	* gcc.dg/torture/pr47411.c: New testcase.

From-SVN: r169225

gcc/testsuite/ChangeLog

+2011-01-25  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/47411
+	* gcc.dg/torture/pr47411.c: New testcase.
+
 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* gfortran.dg/graphite/id-24.f: New.

gcc/testsuite/gcc.dg/torture/pr47411.c

+/* { dg-do compile } */
+
+typedef long unsigned int size_t;
+
+static __inline void *
+__inline_memcpy_chk (void *__dest, const void *__src, size_t __len)
+{
+  return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
+}
+
+extern void *xmalloc (size_t) __attribute__ ((__malloc__));
+
+struct htab { void ** entries; };
+
+typedef struct htab *htab_t;
+
+extern void ** htab_find_slot (htab_t, const void *);
+
+enum mode_class { MODE_RANDOM, MODE_CC, MODE_INT, MAX_MODE_CLASS };
+
+struct mode_data
+{
+  struct mode_data *next;
+  enum mode_class cl;
+};
+
+static const struct mode_data blank_mode = { 0, MAX_MODE_CLASS };
+
+static htab_t modes_by_name;
+
+struct mode_data *
+new_mode (void)
+{
+  struct mode_data *m
+    = ((struct mode_data *) xmalloc (sizeof (struct mode_data)));
+
+  ((__builtin_object_size (m, 0) != (size_t) -1) ? __builtin___memcpy_chk (m, &blank_mode, sizeof (struct mode_data), __builtin_object_size (m, 0)) : __inline_memcpy_chk (m, &blank_mode, sizeof (struct mode_data)));
+
+  *htab_find_slot (modes_by_name, m) = m;
+
+  return m;
+}