[committed][testsuite] Add missing require-effective-target allloca

[Tom de Vries]

Hi,

Add a missing require-effect-target alloca directive.

Tested on nvptx.

Committed to trunk.

Thanks,
- Tom

[testsuite] Add missing require-effective-target allloca

gcc/testsuite/ChangeLog:

        * gcc.dg/analyzer/vla-1.c: Add require-effective-target alloca.

---
 gcc/testsuite/gcc.dg/analyzer/vla-1.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/testsuite/gcc.dg/analyzer/vla-1.c 
b/gcc/testsuite/gcc.dg/analyzer/vla-1.c
index 0488ff282a4..e5971c835fa 100644
--- a/gcc/testsuite/gcc.dg/analyzer/vla-1.c
+++ b/gcc/testsuite/gcc.dg/analyzer/vla-1.c
@@ -1,3 +1,4 @@
+/* { dg-require-effective-target alloca } */
 #include "analyzer-decls.h"
 
 void test_1 (int n)