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

src/mips/simulator-mips.h

 // Copyright 2011 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.
 
 
 // Declares a Simulator for MIPS instructions if we are not generating a native
 // MIPS binary. This Simulator allows us to run and debug MIPS code generation
 // on regular desktop machines.
 // V8 calls into generated code by "calling" the CALL_GENERATED_CODE macro,
 // which will start execution in the Simulator or forwards to the real entry
@@ skipping 20 matching lines @@
 
 
 // Call the generated regexp code directly. The code at the entry address
 // should act as a function matching the type arm_regexp_matcher.
 // The fifth argument is a dummy that reserves the space used for
 // the return address added by the ExitFrame in native calls.
 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7, p8) \
   (FUNCTION_CAST<mips_regexp_matcher>(entry)( \
       p0, p1, p2, p3, NULL, p4, p5, p6, p7, p8))
 
-#define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
-  reinterpret_cast<TryCatch*>(try_catch_address)
-
 // The stack limit beyond which we will throw stack overflow errors in
 // generated code. Because generated code on mips uses the C stack, we
 // just use the C stack limit.
 class SimulatorStack : public v8::internal::AllStatic {
  public:
   static inline uintptr_t JsLimitFromCLimit(Isolate* isolate,
                                             uintptr_t c_limit) {
     return c_limit;
   }
 
@@ skipping 329 matching lines @@
 // When running with the simulator transition into simulated execution at this
 // point.
 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
     reinterpret_cast<Object*>(Simulator::current(Isolate::Current())->Call( \
       FUNCTION_ADDR(entry), 5, p0, p1, p2, p3, p4))
 
 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7, p8) \
     Simulator::current(Isolate::Current())->Call( \
         entry, 10, p0, p1, p2, p3, NULL, p4, p5, p6, p7, p8)
 
-#define TRY_CATCH_FROM_ADDRESS(try_catch_address)                              \
-  try_catch_address == NULL ?                                                  \
-      NULL : *(reinterpret_cast<TryCatch**>(try_catch_address))
-
 
 // The simulator has its own stack. Thus it has a different stack limit from
 // the C-based native code.  Setting the c_limit to indicate a very small
 // stack cause stack overflow errors, since the simulator ignores the input.
 // This is unlikely to be an issue in practice, though it might cause testing
 // trouble down the line.
 class SimulatorStack : public v8::internal::AllStatic {
  public:
   static inline uintptr_t JsLimitFromCLimit(Isolate* isolate,
                                             uintptr_t c_limit) {
     return Simulator::current(isolate)->StackLimit();
   }
 
   static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) {
     Simulator* sim = Simulator::current(Isolate::Current());
     return sim->PushAddress(try_catch_address);
   }
 
   static inline void UnregisterCTryCatch() {
     Simulator::current(Isolate::Current())->PopAddress();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // !defined(USE_SIMULATOR)
 #endif  // V8_MIPS_SIMULATOR_MIPS_H_