compiler-rt/test/asan/TestCases/Posix/lto-constmerge-odr.cpp

   1 /// Instrumented globals are added to llvm.compiler.used, so LTO will not const
   2 /// merge them (which will cause spurious ODR violation).
   3 // RUN: %clangxx_asan -O3 -fuse-ld=lld -flto %s -o %t
   4 // RUN: %run %t 2>&1
   5
   6 // REQUIRES: lld-available, lto
   7
   8 int main(int argc, const char * argv[]) {
   9   struct { long width, height; } a = {16, 16};
  10   struct { long width, height; } b = {16, 16};
  11
  12   // Just to make sure 'a' and 'b' don't get optimized out.
  13   asm volatile("" : : "r" (&a), "r" (&b));
  14
  15   return 0;
  16 }