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[asan] Add test which detects bugs undetectable before r288563 

Reviewers: kcc, eugenis

Subscribers: llvm-commits, kubabrecka

Differential Revision: https://reviews.llvm.org/D27583

llvm-svn: 289090
This commit is contained in:
Vitaly Buka 2016-12-08 19:13:13 +00:00
parent 7fed58cd9f
commit 6eead19ce4
1 changed files with 20 additions and 0 deletions
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20
compiler-rt/test/asan/TestCases/use-after-scope-temp2.cc Normal file
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// 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[]) {
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;
}