1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20011024-1.c b/gcc/testsuite/gcc.c-torture/execute/20011024-1.c
new file mode 100644
index 000000000..5b871bbb9
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20011024-1.c
@@ -0,0 +1,22 @@
+/* Test whether store motion recognizes pure functions as potentially reading
+   any memory.  */
+
+typedef __SIZE_TYPE__ size_t;
+extern void *memcpy (void *dest, const void *src, size_t n);
+extern size_t strlen (const char *s);
+extern int strcmp (const char *s1, const char *s2) __attribute__((pure));
+
+char buf[50];
+
+static void foo (void)
+{
+  if (memcpy (buf, "abc", 4) != buf) abort ();
+  if (strcmp (buf, "abc")) abort ();
+  memcpy (buf, "abcdefgh", strlen ("abcdefgh") + 1);
+}
+
+int main (void)
+{
+  foo ();
+  return 0;
+}