1 // Check that ASan correctly detects SEGV on the zero page.
2 // RUN: %clangxx_asan %s -o %t && not %run %t 2>&1 | FileCheck %s
3
4 typedef void void_f();
main()5 int main() {
6 void_f *func = (void_f *)0x4;
7 func();
8 // x86 reports the SEGV with both address=4 and pc=4.
9 // On PowerPC64 ELFv1, the pointer is taken to be a function-descriptor
10 // pointer out of which three 64-bit quantities are read. This will SEGV, but
11 // the compiler is free to choose the order. As a result, the address is
12 // either 0x4, 0xc or 0x14. The pc is still in main() because it has not
13 // actually made the call when the faulting access occurs.
14 // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) 0x0*[4c]}}
15 return 0;
16 }
17