1 // RUN: %clang_cc1 -std=c++1z -fms-extensions -emit-llvm %s -o - -triple=i386-pc-win32 -fms-compatibility-version=19.10 | FileCheck -allow-deprecated-dag-overlap %s --check-prefix=CHECK --check-prefix=MSVC2017
2 // RUN: %clang_cc1 -std=c++1z -fms-extensions -emit-llvm %s -o - -triple=i386-pc-win32 -fms-compatibility-version=19.00 | FileCheck -allow-deprecated-dag-overlap %s --check-prefix=CHECK --check-prefix=MSVC2015
3 
4 struct S {
5     int x;
6     double y;
7 };
8 S f();
9 
10 // CHECK-DAG: "?$S1@@3US@@B"
11 const auto [x0, y0] = f();
12 // CHECK-DAG: "?$S2@@3US@@B"
13 const auto [x1, y1] = f();
14 
15 static union {
16 int a;
17 double b;
18 };
19 
20 // CHECK-DAG: "?$S4@@3US@@B"
21 const auto [x2, y2] = f();
22