| // Test -fsanitize-memory-use-after-dtor | 
 | // RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_" | 
 | // RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_" | 
 |  | 
 | struct Simple { | 
 |   int x_; | 
 |   Simple() { | 
 |     x_ = 5; | 
 |   } | 
 |   ~Simple() { | 
 |     x_ += 1; | 
 |   } | 
 | }; | 
 |  | 
 | Simple s; | 
 | // Simple internal member is poisoned by compiler-generated dtor | 
 | // CHECK: define {{.*}}SimpleD2Ev{{.*}} [[ATTRIBUTE:#[0-9]+]] | 
 | // CHECK: call void @__sanitizer_dtor_callback_fields( | 
 | // CHECK: ret void | 
 |  | 
 | // Destructor does not emit any tail calls | 
 | // CHECK: attributes [[ATTRIBUTE]] = {{.*}}"disable-tail-calls"="true" |