compiler-rt/test/asan/TestCases/Linux/globals-gc-sections-lld.cpp

   1 // RUN: %clangxx_asan %s -o %t -Wl,--gc-sections -fuse-ld=lld -ffunction-sections -fdata-sections -mllvm -asan-globals=0
   2 // RUN: %clangxx_asan %s -o %t -Wl,--gc-sections -fuse-ld=lld -ffunction-sections -fdata-sections -mllvm -asan-globals=1
   3
   4 // https://code.google.com/p/address-sanitizer/issues/detail?id=260
   5 // REQUIRES: lld
   6 int undefined();
   7
   8 // On i386 clang adds --export-dynamic when linking with ASan, which adds all
   9 // non-hidden globals to GC roots.
  10 __attribute__((visibility("hidden"))) int (*unused)() = undefined;
  11
  12 int main() {
  13         return 0;
  14 }