[turbofan] Remove the function reload hack for OSR.

src/compiler/x64/code-generator-x64.cc

 // Copyright 2013 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/compiler/code-generator.h"
 
 #include "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 1853 matching lines @@
   if (info()->is_osr()) {
     // TurboFan OSR-compiled functions cannot be entered directly.
     __ Abort(kShouldNotDirectlyEnterOsrFunction);
 
     // Unoptimized code jumps directly to this entrypoint while the unoptimized
     // frame is still on the stack. Optimized code uses OSR values directly from
     // the unoptimized frame. Thus, all that needs to be done is to allocate the
     // remaining stack slots.
     if (FLAG_code_comments) __ RecordComment("-- OSR entrypoint --");
     osr_pc_offset_ = __ pc_offset();
-    // TODO(titzer): cannot address target function == local #-1
-    __ movq(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
     stack_shrink_slots -=
         static_cast<int>(OsrHelper(info()).UnoptimizedFrameSlots());
   }
 
   const RegList saves_fp = descriptor->CalleeSavedFPRegisters();
   if (saves_fp != 0) {
     stack_shrink_slots += frame()->AlignSavedCalleeRegisterSlots();
   }
   if (stack_shrink_slots > 0) {
     __ subq(rsp, Immediate(stack_shrink_slots * kPointerSize));
@@ skipping 278 matching lines @@
     int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
     __ Nop(padding_size);
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8