1 // Test with "-O2" only to make sure inlining (leading to use-after-scope)
2 // happens. "always_inline" is not enough, as Clang doesn't emit
3 // llvm.lifetime intrinsics at -O0.
4 //
5 // RUN: %clangxx_asan -O2 -fsanitize-address-use-after-scope %s -o %t && \
6 // RUN: not %run %t 2>&1 | FileCheck %s
7
8 int *arr;
9
10 __attribute__((always_inline))
inlined(int arg)11 void inlined(int arg) {
12 int x[5];
13 for (int i = 0; i < arg; i++) x[i] = i;
14 arr = x;
15 }
16
main(int argc,char * argv[])17 int main(int argc, char *argv[]) {
18 inlined(argc);
19 return arr[argc - 1]; // BOOM
20 // CHECK: ERROR: AddressSanitizer: stack-use-after-scope
21 // CHECK: READ of size 4 at 0x{{.*}} thread T0
22 // CHECK: #0 0x{{.*}} in main
23 // CHECK: {{.*}}use-after-scope-inlined.cc:[[@LINE-4]]
24 // CHECK: Address 0x{{.*}} is located in stack of thread T0 at offset
25 // CHECK: [[OFFSET:[^ ]*]] in frame
26 // CHECK: main
27 // CHECK: {{\[}}[[OFFSET]], {{.*}}) 'x.i'
28 }
29