Testing to verify function attribute disable-tail-calls applied to destructor

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@243671 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGenCXX/sanitize-dtor-tail-call.cpp

 // Test -fsanitize-memory-use-after-dtor
+// RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-optzns -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-optzns -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
 
 struct Simple {
@@ -17,3 +18,7 @@ Simple s;
 // CHECK: {{^ *}}call void @__sanitizer_dtor_callback
 // CHECK-NOT: tail call void @__sanitizer_dtor_callback
 // CHECK: ret void
+
+// Destructor does not emit any tail calls
+// CHECK: attributes #1 = {{.*("disable-tail-calls"="true").*}}
+// CHECK: }{{$}}