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[asan] Add test which detects bugs undetectable before r288563
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Authored by vitalybuka on Dec 8 2016, 11:04 AM.

Reviewers

kcc
eugenis

Commits

Build Status

Buildable 1992
Build 1992: arc lint + arc unit

vitalybuka retitled this revision from to [asan] Add test which detects bugs undetectable before r288563.

vitalybuka updated this object.

vitalybuka added reviewers: kcc, eugenis.

Remove unused variable

LGTM

This revision is now accepted and ready to land.Dec 8 2016, 11:15 AM

This revision was automatically updated to reflect the committed changes.

Path

Size

test/

asan/

TestCases/

21 lines

				// RUN: %clangxx_asan %stdcxx11 -O1 -fsanitize-address-use-after-scope %s -o %t && \
				// RUN: not %run %t 2>&1 \| FileCheck %s


				struct IntHolder {
				const IntHolder& Self() const {
				return *this;
				}
				int val = 3;
				};

				const IntHolder *saved;

				int main(int argc, char *argv[]) {
				const auto& var = IntHolder().Self();
				saved = &IntHolder().Self();
				int x = saved->val; // BOOM
				// CHECK: ERROR: AddressSanitizer: stack-use-after-scope
				// CHECK: #0 0x{{.}} in main {{.}}use-after-scope-temp2.cc:[[@LINE-2]]
				return x;
				}