1 files changed, 48 insertions, 0 deletions
diff --git a/test/SemaCXX/vla-consruct.cpp b/test/SemaCXX/vla-consruct.cpp
new file mode 100644
index 0000000000000..09b73704eb077
--- /dev/null
+++ b/test/SemaCXX/vla-consruct.cpp
@@ -0,0 +1,48 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -O0 -verify %s
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fcxx-exceptions -fexceptions -pedantic-errors -DPE -O0 -verify %s
+
+# ifndef PE
+// expected-no-diagnostics
+# endif
+
+extern "C" int printf(const char*, ...);
+
+static int N;
+struct S {
+  S() __attribute__ ((nothrow))  { printf("%d: S()\n", ++N); }
+  ~S()  __attribute__ ((nothrow))  { printf("%d: ~S()\n", N--); }
+  int n[17];
+};
+
+void print(int n, int a, int b, int c, int d) {
+  printf("n=%d\n,sizeof(S)=%d\nsizeof(array_t[0][0])=%d\nsizeof(array_t[0])=%d\nsizeof(array_t)=%d\n",
+         n, a, b, c, d);
+  if (n == 2) throw(n);
+}
+
+void test(int n) {
+  S array_t[n][n+1];
+# ifdef PE
+   // expected-error@-2 {{variable length arrays are a C99 feature}}
+   // expected-error@-3 {{variable length arrays are a C99 feature}}
+# endif
+  int sizeof_S = sizeof(S);
+  int sizeof_array_t_0_0 = sizeof(array_t[0][0]);
+  int sizeof_array_t_0 = sizeof(array_t[0]);
+  int sizeof_array_t = sizeof(array_t);
+  print(n, sizeof_S, sizeof_array_t_0_0, sizeof_array_t_0, sizeof_array_t);
+}
+
+int main()
+{
+  try {
+    test(2);
+  } catch(int e) {
+    printf("expeption %d\n", e);
+  }
+  try {
+    test(3);
+  } catch(int e) {
+    printf("expeption %d", e);
+  }
+}