xref: /llvm-project/compiler-rt/test/hwasan/TestCases/use-after-scope-loop-bug.cpp (revision 98687aa0d61b11b102acbfd7d2dab0ad1c54d91e)
1 // RUN: %clangxx_asan -O1 -fsanitize-address-use-after-scope %s -o %t && \
2 // RUN:     not %run %t 2>&1 | FileCheck %s
3 //
4 // Not expected to work yet with HWAsan.
5 // XFAIL: *
6 
7 volatile int *p;
8 
9 int main() {
10   // Variable goes in and out of scope.
11   for (int i = 0; i < 3; ++i) {
12     int x[3] = {i, i, i};
13     p = x + i;
14   }
15   return *p; // BOOM
16   // CHECK: ERROR: AddressSanitizer: stack-use-after-scope
17   // CHECK:  #0 0x{{.*}} in main {{.*}}use-after-scope-loop-bug.cpp:[[@LINE-2]]
18   // CHECK: Address 0x{{.*}} is located in stack of thread T{{.*}} at offset [[OFFSET:[^ ]+]] in frame
19   // {{\[}}[[OFFSET]], {{[0-9]+}}) 'x'
20 }
21