X87: Clear exceptions in Invoke instead of JSEntryStub.

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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 1673 matching lines @@
   ExternalReference pending_exception(Isolate::kPendingExceptionAddress,
                                       isolate());
   __ mov(Operand::StaticVariable(pending_exception), eax);
   __ mov(eax, Immediate(isolate()->factory()->exception()));
   __ jmp(&exit);
 
   // Invoke: Link this frame into the handler chain.
   __ bind(&invoke);
   __ PushStackHandler();
 
-  // Clear any pending exceptions.
-  __ mov(edx, Immediate(isolate()->factory()->the_hole_value()));
-  __ mov(Operand::StaticVariable(pending_exception), edx);
-
   // Fake a receiver (NULL).
   __ push(Immediate(0));  // receiver
 
   // Invoke the function by calling through JS entry trampoline builtin and
   // pop the faked function when we return. Notice that we cannot store a
   // reference to the trampoline code directly in this stub, because the
   // builtin stubs may not have been generated yet.
   if (type() == StackFrame::ENTRY_CONSTRUCT) {
     ExternalReference construct_entry(Builtins::kJSConstructEntryTrampoline,
                                       isolate());
@@ skipping 3573 matching lines @@
                            kStackUnwindSpace, nullptr, return_value_operand,
                            NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87