xref: /aosp_15_r20/external/compiler-rt/test/asan/TestCases/use-after-scope-temp.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot // RUN: %clangxx_asan -O1 -fsanitize-address-use-after-scope %s -o %t && \
2*7c3d14c8STreehugger Robot // RUN:     not %run %t 2>&1 | FileCheck %s
3*7c3d14c8STreehugger Robot //
4*7c3d14c8STreehugger Robot // Lifetime for temporaries is not emitted yet.
5*7c3d14c8STreehugger Robot // XFAIL: *
6*7c3d14c8STreehugger Robot 
7*7c3d14c8STreehugger Robot struct IntHolder {
8*7c3d14c8STreehugger Robot   int val;
9*7c3d14c8STreehugger Robot };
10*7c3d14c8STreehugger Robot 
11*7c3d14c8STreehugger Robot const IntHolder *saved;
12*7c3d14c8STreehugger Robot 
save(const IntHolder & holder)13*7c3d14c8STreehugger Robot void save(const IntHolder &holder) {
14*7c3d14c8STreehugger Robot   saved = &holder;
15*7c3d14c8STreehugger Robot }
16*7c3d14c8STreehugger Robot 
main(int argc,char * argv[])17*7c3d14c8STreehugger Robot int main(int argc, char *argv[]) {
18*7c3d14c8STreehugger Robot   save({10});
19*7c3d14c8STreehugger Robot   int x = saved->val;  // BOOM
20*7c3d14c8STreehugger Robot // CHECK: ERROR: AddressSanitizer: stack-use-after-scope
21*7c3d14c8STreehugger Robot // CHECK:  #0 0x{{.*}} in main {{.*}}use-after-scope-temp.cc:[[@LINE-2]]
22*7c3d14c8STreehugger Robot   return x;
23*7c3d14c8STreehugger Robot }
24