Revert "[libcxxabi] When built with ASan, __cxa_throw calls __asan_handle_no_return"

This reverts commit r311045 because it's causing an error on
libcxx-libcxxabi-x86_64-linux-ubuntu-asan bot.

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@311047 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/cxa_exception.cpp b/src/cxa_exception.cpp
index 204ea2d..0794444 100644
--- a/src/cxa_exception.cpp
+++ b/src/cxa_exception.cpp
@@ -19,10 +19,6 @@
 #include "cxa_handlers.hpp"
 #include "fallback_malloc.h"
 
-#if __has_feature(address_sanitizer)
-#include <sanitizer/asan_interface.h>
-#endif
-
 // +---------------------------+-----------------------------+---------------+
 // | __cxa_exception           | _Unwind_Exception CLNGC++\0 | thrown object |
 // +---------------------------+-----------------------------+---------------+
@@ -221,12 +217,6 @@
     globals->uncaughtExceptions += 1;   // Not atomically, since globals are thread-local
 
     exception_header->unwindHeader.exception_cleanup = exception_cleanup_func;
-
-#if __has_feature(address_sanitizer)
-    // Inform the ASan runtime that now might be a good time to clean stuff up.
-    __asan_handle_no_return();
-#endif
-
 #ifdef __USING_SJLJ_EXCEPTIONS__
     _Unwind_SjLj_RaiseException(&exception_header->unwindHeader);
 #else