Remove CompilationInfo::MayUseThis() and replace it with what we really want to know: MustReplaceUn…

src/x87/lithium-codegen-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/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 91 matching lines @@
 #ifdef DEBUG
     if (strlen(FLAG_stop_at) > 0 &&
         info_->literal()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) {
       __ int3();
     }
 #endif
 
     // Sloppy mode functions and builtins need to replace the receiver with the
     // global proxy when called as functions (without an explicit receiver
     // object).
-    if (is_sloppy(info()->language_mode()) && info()->MayUseThis() &&
-        !info()->is_native() && info()->scope()->has_this_declaration()) {
+    if (info()->MustReplaceUndefinedReceiverWithGlobalProxy()) {
       Label ok;
       // +1 for return address.
       int receiver_offset = (scope()->num_parameters() + 1) * kPointerSize;
       __ mov(ecx, Operand(esp, receiver_offset));
 
       __ cmp(ecx, isolate()->factory()->undefined_value());
       __ j(not_equal, &ok, Label::kNear);
 
       __ mov(ecx, GlobalObjectOperand());
       __ mov(ecx, FieldOperand(ecx, GlobalObject::kGlobalProxyOffset));
@@ skipping 6239 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87