diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c353008f277a..c0fc1eb0337b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-04-03  Dominik Vogt  <vogt@linux.vnet.ibm.com>
+
+	PR testsuite/79356
+	* gcc.dg/attr-alloc_size-11.c: Don't xfail on s390.
+
 2017-04-03  Robin Dapp  <rdapp@linux.vnet.ibm.com>
 
 	* gcc.target/s390/vector/vcond-shift.c (foo, foo2, foo3, baz, baf)
diff --git a/gcc/testsuite/gcc.dg/attr-alloc_size-11.c b/gcc/testsuite/gcc.dg/attr-alloc_size-11.c
index e5f2157fa285..47584f5601fc 100644
--- a/gcc/testsuite/gcc.dg/attr-alloc_size-11.c
+++ b/gcc/testsuite/gcc.dg/attr-alloc_size-11.c
@@ -47,7 +47,7 @@ typedef __SIZE_TYPE__    size_t;
 
 /* The following tests fail because of missing range information.  The xfail
    exclusions are PR79356.  */
-TEST (signed char, SCHAR_MIN + 2, ALLOC_MAX);   /* { dg-warning "argument 1 range \\\[13, \[0-9\]+\\\] exceeds maximum object size 12" "missing range info for signed char" { xfail { ! { aarch64*-*-* arm*-*-* ia64-*-* mips*-*-* powerpc*-*-* sparc*-*-* s390x-*-* } } } } */
+TEST (signed char, SCHAR_MIN + 2, ALLOC_MAX);   /* { dg-warning "argument 1 range \\\[13, \[0-9\]+\\\] exceeds maximum object size 12" "missing range info for signed char" { xfail { ! { aarch64*-*-* arm*-*-* ia64-*-* mips*-*-* powerpc*-*-* sparc*-*-* s390*-*-* } } } } */
 TEST (short, SHRT_MIN + 2, ALLOC_MAX); /* { dg-warning "argument 1 range \\\[13, \[0-9\]+\\\] exceeds maximum object size 12" "missing range info for short" { xfail { ! { aarch64*-*-* arm*-*-* ia64-*-* mips*-*-* powerpc*-*-* sparc*-*-* s390x-*-* } } } } */
 TEST (int, INT_MIN + 2, ALLOC_MAX);    /* { dg-warning "argument 1 range \\\[13, \[0-9\]+\\\] exceeds maximum object size 12" } */
 TEST (int, -3, ALLOC_MAX);             /* { dg-warning "argument 1 range \\\[13, \[0-9\]+\\\] exceeds maximum object size 12" } */