Reland of "v8::TryCatch now works correctly with ASAN's UseAfterReturn mode enabled."

src/zone.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ZONE_H_
 #define V8_ZONE_H_
 
 #include "allocation.h"
 #include "checks.h"
 #include "hashmap.h"
 #include "globals.h"
 #include "list.h"
 #include "splay-tree.h"
 
 namespace v8 {
 namespace internal {
 
-#if defined(__has_feature)
-  #if __has_feature(address_sanitizer)
-    #define V8_USE_ADDRESS_SANITIZER
-  #endif
-#endif
 
 class Segment;
 class Isolate;
 
 // The Zone supports very fast allocation of small chunks of
 // memory. The chunks cannot be deallocated individually, but instead
 // the Zone supports deallocating all chunks in one fast
 // operation. The Zone is used to hold temporary data structures like
 // the abstract syntax tree, which is deallocated after compilation.
 
@@ skipping 206 matching lines @@
   void operator delete(void* pointer) { UNREACHABLE(); }
   void operator delete(void* pointer, Zone* zone) { UNREACHABLE(); }
 };
 
 
 typedef TemplateHashMapImpl<ZoneAllocationPolicy> ZoneHashMap;
 
 } }  // namespace v8::internal
 
 #endif  // V8_ZONE_H_