diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 90dcc34a785..f7b774af239 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-06-27  Richard Biener  <rguenther@suse.de>
+
+	PR testsuite/91004
+	* g++.dg/torture/pr34850.C: Fix overly reduced testcase.
+
 2019-06-27  Kewen Lin  <linkw@gcc.gnu.org>
 
 	PR target/62147
diff --git a/gcc/testsuite/g++.dg/torture/pr34850.C b/gcc/testsuite/g++.dg/torture/pr34850.C
index e41620b739d..60a6c6ae57d 100644
--- a/gcc/testsuite/g++.dg/torture/pr34850.C
+++ b/gcc/testsuite/g++.dg/torture/pr34850.C
@@ -13,7 +13,8 @@ extern "C" {
     extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__, __artificial__))
     void * memset (void *__dest, int __ch, size_t __len) throw () {
 	if (__builtin_constant_p (__len) && __len == 0)
-	    __warn_memset_zero_len ();
+	  __warn_memset_zero_len ();
+	return __dest;
     }
 }
 inline void clear_mem(void* ptr, u32bit n)    {