diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index bac4032a57e9..f99a83ddd783 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-10  Richard Biener  <rguenther@suse.de>
+
+	PR testsuite/78768
+	* gcc.dg/pr78768.c: Un-XFAIL.
+
 2018-01-10  Richard Biener  <rguenther@suse.de>
 
 	PR debug/82425
diff --git a/gcc/testsuite/gcc.dg/pr78768.c b/gcc/testsuite/gcc.dg/pr78768.c
index b6cda47c6a88..72ac3f871294 100644
--- a/gcc/testsuite/gcc.dg/pr78768.c
+++ b/gcc/testsuite/gcc.dg/pr78768.c
@@ -9,7 +9,7 @@ int main (void)
 {
   char *d = (char *)__builtin_alloca (12);  /* { dg-warning "argument to .alloca. is too large" } */
 
-  __builtin_sprintf (d, "%32s", "x");   /* { dg-warning "directive writing 32 bytes into a region of size 12" "-Wformat-overflow" { xfail *-*-* } } */
+  __builtin_sprintf (d, "%32s", "x");   /* { dg-warning "directive writing 32 bytes into a region of size 12" "-Wformat-overflow" } */
 
   return 0;
 }