Defined in 3 files as a macro:
- contrib/llvm-project/compiler-rt/lib/asan/asan_stack.h, line 79 (as a macro)
- contrib/llvm-project/compiler-rt/lib/hwasan/hwasan.h, line 112 (as a macro)
- contrib/llvm-project/compiler-rt/lib/msan/msan.h, line 372 (as a macro)