Fix for PR21915: assert on multidimensional VLA in function arguments.

Fixed assertion on type checking for arguments and parameters on function call if arguments are pointers to VLA
Differential Revision: http://reviews.llvm.org/D6655


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@224504 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 0 deletions

diff --git a/test/CodeGenCXX/vlt_to_reference.cpp b/test/CodeGenCXX/vlt_to_reference.cpp
new file mode 100644
index 0000000000..49d7f1aa97
--- /dev/null
+++ b/test/CodeGenCXX/vlt_to_reference.cpp
@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
+
+// CHECK-LABEL: @main
+
+struct dyn_array { 
+    int size;
+    int data[];
+};
+
+int foo(dyn_array **&d) {
+  return (*d)->data[1];
+}
+
+int main()
+{
+    dyn_array **d;
+    return foo(d);
+
+    // CHECK: call {{.+}} @{{.+}}foo{{.+}}(
+    // CHECK: ret i{{[0-9]+}}
+}
+