[ASAN] Revert r313303 - Add macro denoting availability of new `__asan_handle_no_return()` function.
It was pointed out that compiler-rt has always defined the symbol, but only
recently added it to the public headers. Meaning that libc++abi can re-declare
it instead of needing this macro.
@@ -148,10 +148,6 @@ extern "C" {
// before things like _exit and execl to avoid false positives on stack.
void __asan_handle_no_return(void);
- // Required to allow ASAN versions of libc++abi to build against older
- // versions of compiler-rt that do not provide this interface.
-# define SANITIZER_ASAN_INTERFACE_HAS_HANDLE_NO_RETURN
-
#ifdef __cplusplus
} // extern "C"
#endif
