Remove materialized objects on stack unwind.

src/x87/code-stubs-x87.cc

 // 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 2212 matching lines @@
       Isolate::kPendingHandlerCodeAddress, isolate());
   ExternalReference pending_handler_offset_address(
       Isolate::kPendingHandlerOffsetAddress, isolate());
   ExternalReference pending_handler_fp_address(
       Isolate::kPendingHandlerFPAddress, isolate());
   ExternalReference pending_handler_sp_address(
       Isolate::kPendingHandlerSPAddress, isolate());
 
   // Ask the runtime for help to determine the handler. This will set eax to
   // contain the current pending exception, don't clobber it.
-  ExternalReference find_handler(Runtime::kFindExceptionHandler, isolate());
+  ExternalReference find_handler(Runtime::kUnwindAndFindExceptionHandler,
+                                 isolate());
   {
     FrameScope scope(masm, StackFrame::MANUAL);
     __ PrepareCallCFunction(3, eax);
     __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));  // argc.
     __ mov(Operand(esp, 1 * kPointerSize), Immediate(0));  // argv.
     __ mov(Operand(esp, 2 * kPointerSize),
            Immediate(ExternalReference::isolate_address(isolate())));
     __ CallCFunction(find_handler, 3);
   }
 
@@ skipping 2823 matching lines @@
                            ApiParameterOperand(2), kStackSpace, nullptr,
                            Operand(ebp, 7 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X87