1 files changed, 21 insertions, 0 deletions
diff --git a/test/Sema/vla.c b/test/Sema/vla.c
index b9576bf8cfd6..8d83100b9d68 100644
--- a/test/Sema/vla.c
+++ b/test/Sema/vla.c
@@ -68,3 +68,24 @@ void pr23151(int (*p1)[*]) // expected-error {{variable length array must be bou
 int TransformBug(int a) {
  return sizeof(*(int(*)[({ goto v; v: a;})]) 0); // expected-warning {{use of GNU statement expression extension}}
 }
+
+// PR36157
+struct {
+  int a[ // expected-error {{variable length array in struct}}
+    implicitly_declared() // expected-warning {{implicit declaration}}
+  ];
+};
+int (*use_implicitly_declared)() = implicitly_declared; // ok, was implicitly declared at file scope
+
+void VLAPtrAssign(int size) {
+  int array[1][2][3][size][4][5];
+  // This is well formed
+  int (*p)[2][3][size][4][5] = array;
+  // Last array dimension too large
+  int (*p2)[2][3][size][4][6] = array; // expected-warning {{incompatible pointer types}}
+  // Second array dimension too large
+  int (*p3)[20][3][size][4][5] = array; // expected-warning {{incompatible pointer types}}
+
+  // Not illegal in C, program _might_ be well formed if size == 3.
+  int (*p4)[2][size][3][4][5] = array;
+}