1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/lib/fprintf.c b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/fprintf.c
index f32cf3a050b..a22db41d800 100644
--- a/gcc/testsuite/gcc.c-torture/execute/builtins/lib/fprintf.c
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/fprintf.c
@@ -17,3 +17,19 @@ fprintf (FILE *fp, const char *string, ...)
   va_end (ap);
   return r;
 }
+
+/* Locking stdio doesn't matter for the purposes of this test.  */
+int
+fprintf_unlocked (FILE *fp, const char *string, ...)
+{
+  va_list ap;
+  int r;
+#ifdef __OPTIMIZE__
+  if (inside_main)
+    abort();
+#endif
+  va_start (ap, string);
+  r = vfprintf (fp, string, ap);
+  va_end (ap);
+  return r;
+}