1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strcat.c b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strcat.c
new file mode 100644
index 000000000..d592087a9
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strcat.c
@@ -0,0 +1,20 @@
+extern int inside_main;
+extern void abort(void);
+
+__attribute__ ((__noinline__))
+char *
+strcat (char *dst, const char *src)
+{
+  char *p = dst;
+  
+#ifdef __OPTIMIZE__
+  if (inside_main)
+    abort ();
+#endif
+
+  while (*p)
+    p++;
+  while ((*p++ = *src++))
+    ;
+  return dst;
+}