Add a test to make sure that vector output happens for debug info.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171834 91177308-0d34-0410-b5e6-96231b3b80d8

Author: echristo

test/CodeGen/debug-info-vector.c

@@ -0,0 +1,7 @@
+// RUN: %clang_cc1 -emit-llvm -g %s -o - | FileCheck %s
+typedef int v4si __attribute__((__vector_size__(16)));
+
+v4si a;
+
+// Test that we get an array type that's also a vector out of debug.
+// CHECK: [ DW_TAG_array_type ] [line 0, size 128, align 128, offset 0] [vector] [from int]