[rustc.git] / src / compiler-rt / test / asan / TestCases / use-after-scope-loop-removed.cc

// RUN: %clangxx_asan -O1 -fsanitize-address-use-after-scope %s -o %t && \
// RUN:     not %run %t 2>&1 | FileCheck %s
//
// FIXME: Compiler removes for-loop but keeps x variable. For unknown reason
// @llvm.lifetime.* are not emitted for x.
// XFAIL: *

#include <stdlib.h>

int *p;

int main() {
  for (int i = 0; i < 3; i++) {
    int x;
    p = &x;
  }
  return **p;  // BOOM
  // CHECK: ERROR: AddressSanitizer: stack-use-after-scope
}
Commit	Line	Data
5bcae85e SL	1	// RUN: %clangxx_asan -O1 -fsanitize-address-use-after-scope %s -o %t && \
	2	// RUN: not %run %t 2>&1 \| FileCheck %s
	3	//
	4	// FIXME: Compiler removes for-loop but keeps x variable. For unknown reason
	5	// @llvm.lifetime.* are not emitted for x.
	6	// XFAIL: *
	7
	8	#include <stdlib.h>
	9
	10	int *p;
	11
	12	int main() {
	13	for (int i = 0; i < 3; i++) {
	14	int x;
	15	p = &x;
	16	}
	17	return **p; // BOOM
	18	// CHECK: ERROR: AddressSanitizer: stack-use-after-scope
	19	}