llvm-project/compiler-rt/test/asan/TestCases/use-after-scope-loop-bug.cc
Vitaly Buka 49dd9d23cc [asan] Enable the rest of use-after-scope tests
Summary:
Test where broken because of missing lifetime markers for temps and
because of aggressive optimization which removed markers in some cases.

PR27453

Reviewers: eugenis, kcc

Subscribers: llvm-commits, kubabrecka

Differential Revision: https://reviews.llvm.org/D22894

llvm-svn: 277074
2016-07-28 23:03:27 +00:00

18 lines
563 B
C++

// RUN: %clangxx_asan -O1 -fsanitize-address-use-after-scope %s -o %t && \
// RUN: not %run %t 2>&1 | FileCheck %s
int *p;
int main() {
// Variable goes in and out of scope.
for (int i = 0; i < 3; ++i) {
int x[3] = {i, i, i};
p = x + i;
}
return *p; // BOOM
// CHECK: ERROR: AddressSanitizer: stack-use-after-scope
// CHECK: #0 0x{{.*}} in main {{.*}}use-after-scope-loop-bug.cc:[[@LINE-2]]
// CHECK: Address 0x{{.*}} is located in stack of thread T{{.*}} at offset [[OFFSET:[^ ]+]] in frame
// {{\[}}[[OFFSET]], {{[0-9]+}}) 'x'
}