compiler-rt/test/asan/TestCases/Linux/global-overflow-bfd.cpp

   1 // Test that gc-sections-friendly instrumentation of globals does not introduce
   2 // false negatives with the BFD linker.
   3 // RUN: %clangxx_asan -fuse-ld=bfd -Wl,-gc-sections -ffunction-sections -fdata-sections -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
   4
   5 #include <string.h>
   6 int main(int argc, char **argv) {
   7   static char XXX[10];
   8   static char YYY[10];
   9   static char ZZZ[10];
  10   memset(XXX, 0, 10);
  11   memset(YYY, 0, 10);
  12   memset(ZZZ, 0, 10);
  13   int res = YYY[argc * 10];  // BOOOM
  14   // CHECK: {{READ of size 1 at}}
  15   // CHECK: {{located 0 bytes after global variable}}
  16   res += XXX[argc] + ZZZ[argc];
  17   return res;
  18 }