--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/SemaCUDA/vla.cu	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -verify %s
+// RUN: %clang_cc1 -triple x86_64-unknown-linux -verify -DHOST %s
+
+#ifndef __CUDA_ARCH__
+// expected-no-diagnostics
+#endif
+
+#include "Inputs/cuda.h"
+
+void host(int n) {
+  int x[n];
+}
+
+__device__ void device(int n) {
+  int x[n];
+#ifdef __CUDA_ARCH__
+  // expected-error@-2 {{cannot use variable-length arrays in __device__ functions}}
+#endif
+}
+
+__host__ __device__ void hd(int n) {
+  int x[n];
+#ifdef __CUDA_ARCH__
+  // expected-error@-2 {{cannot use variable-length arrays in __host__ __device__ functions}}
+#endif
+}
+
+// No error because never codegen'ed for device.
+__host__ __device__ inline void hd_inline(int n) {
+  int x[n];
+}
+void call_hd_inline() { hd_inline(42); }