diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d5f0ce057a4..ce36ec7a23d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-12-04  Nathan Sidwell  <nathan@acm.org>
+
+	* gcc.dg/vla-24.c: Requires alloca.
+
 2015-12-04  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR rtl-optimization/68349
diff --git a/gcc/testsuite/gcc.dg/vla-24.c b/gcc/testsuite/gcc.dg/vla-24.c
index 5bd5fed262e..8b7230584b9 100644
--- a/gcc/testsuite/gcc.dg/vla-24.c
+++ b/gcc/testsuite/gcc.dg/vla-24.c
@@ -2,6 +2,7 @@
 
 /* { dg-do run } */
 /* { dg-options "-std=gnu99" } */
+/* { dg-require-effective-target alloca } */
 
 extern void abort (void);