compiler-rt/test/hwasan/TestCases/lto.c

   1 // Test globals with LTO, since it invokes the integrated assembler separately.
   2 // RUN: %clang_hwasan -flto %s -o %t
   3 // RUN: not %run %t 1 2>&1 | FileCheck %s
   4
   5 // REQUIRES: pointer-tagging, x86_64-target-arch
   6
   7 #include <stdlib.h>
   8
   9 int x = 1;
  10
  11 int main(int argc, char **argv) {
  12   // CHECK: Cause: global-overflow
  13   // CHECK: is located 0 bytes after a 4-byte global variable x {{.*}} in {{.*}}lto.c.tmp
  14   // CHECK-NOT: can not describe
  15   (&x)[atoi(argv[1])] = 1;
  16 }