sanitize-dtor-tail-call.cpp
832 Bytes
// 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
// 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
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
// CHECK-NOT: call void @__sanitizer_dtor_callback
// CHECK: ret void
// Destructor does not emit any tail calls
// CHECK: attributes [[ATTRIBUTE]] = {{.*}}"disable-tail-calls"="true"