Files
clang-p2996/compiler-rt/test/asan/TestCases/use-after-scope-dtor-order.cpp
Jinsong Ji 5ee902bb5f [compiler-rt][asan] Add noinline to use-after-scope testcases
Some testcases are unexpectedly passing with NPM.
This is because the target functions are inlined in NPM.

I think we should add noinline attribute to keep these test points.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D79648
2020-05-27 14:05:02 +00:00

27 lines
745 B
C++

// RUN: %clangxx_asan -O1 -fsanitize-address-use-after-scope %s -o %t && \
// RUN: not %run %t 2>&1 | FileCheck %s
#include <stdio.h>
struct IntHolder {
explicit IntHolder(int *val = 0) : val_(val) { }
__attribute__((noinline)) ~IntHolder() {
printf("Value: %d\n", *val_); // BOOM
// CHECK: ERROR: AddressSanitizer: stack-use-after-scope
// CHECK: #0 0x{{.*}} in IntHolder::~IntHolder{{.*}}.cpp:[[@LINE-2]]
}
void set(int *val) { val_ = val; }
int *get() { return val_; }
int *val_;
};
int main(int argc, char *argv[]) {
// It is incorrect to use "x" int IntHolder destructor, because "x" is
// "destroyed" earlier as it's declared later.
IntHolder holder;
int x = argc;
holder.set(&x);
return 0;
}