1 files changed, 76 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/string-opt-18.c b/gcc/testsuite/gcc.c-torture/execute/string-opt-18.c
new file mode 100644
index 000000000..610c4caf1
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/string-opt-18.c
@@ -0,0 +1,76 @@
+/* Copyright (C) 2003  Free Software Foundation.
+
+   Test equal pointer optimizations don't break anything.
+
+   Written by Roger Sayle, July 14, 2003.  */
+
+extern void abort ();
+typedef __SIZE_TYPE__ size_t;
+
+extern void *memcpy(void*, const void*, size_t);
+extern void *mempcpy(void*, const void*, size_t);
+extern void *memmove(void*, const void*, size_t);
+extern char *strcpy(char*, const char*);
+extern int memcmp(const void*, const void*, size_t);
+extern int strcmp(const char*, const char*);
+extern int strncmp(const char*, const char*, size_t);
+
+
+void test1 (void *ptr)
+{
+  if (memcpy(ptr,ptr,8) != ptr)
+    abort ();
+}
+
+void test2 (char *ptr)
+{
+  if (mempcpy(ptr,ptr,8) != ptr+8)
+    abort ();
+}
+
+void test3 (void *ptr)
+{
+  if (memmove(ptr,ptr,8) != ptr)
+    abort ();
+}
+
+void test4 (char *ptr)
+{
+  if (strcpy(ptr,ptr) != ptr)
+    abort ();
+}
+
+void test5 (void *ptr)
+{
+  if (memcmp(ptr,ptr,8) != 0)
+    abort ();
+}
+
+void test6 (const char *ptr)
+{
+  if (strcmp(ptr,ptr) != 0)
+    abort ();
+}
+
+void test7 (const char *ptr)
+{
+  if (strncmp(ptr,ptr,8) != 0)
+    abort ();
+}
+
+
+int main ()
+{
+  char buf[10];
+
+  test1 (buf);
+  test2 (buf);
+  test3 (buf);
+  test4 (buf);
+  test5 (buf);
+  test6 (buf);
+  test7 (buf);
+
+  return 0;
+}
+