1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vla-3.c b/gcc/testsuite/gcc.dg/vla-3.c
new file mode 100644
index 000000000..619c0422a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vla-3.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99" } */
+
+/* This used to crash as we did not preserve the correct type
+   for __SIZE_TYPE__. See PR22439. */
+
+char foo(__SIZE_TYPE__ n)
+{
+    char c[1][n];
+    return c[0][0];
+}