Remove --stop-at flag from several backends.

src/crankshaft/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/crankshaft/x87/lithium-codegen-x87.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 82 matching lines @@
 }
 #endif
 
 
 bool LCodeGen::GeneratePrologue() {
   DCHECK(is_generating());
 
   if (info()->IsOptimizing()) {
     ProfileEntryHookStub::MaybeCallEntryHook(masm_);
 
-#ifdef DEBUG
-    if (strlen(FLAG_stop_at) > 0 &&
-        info_->literal()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) {
-      __ int3();
-    }
-#endif
-
     if (support_aligned_spilled_doubles_ && dynamic_frame_alignment_) {
       // Move state of dynamic frame alignment into edx.
       __ Move(edx, Immediate(kNoAlignmentPadding));
 
       Label do_not_pad, align_loop;
       STATIC_ASSERT(kDoubleSize == 2 * kPointerSize);
       // Align esp + 4 to a multiple of 2 * kPointerSize.
       __ test(esp, Immediate(kPointerSize));
       __ j(not_zero, &do_not_pad, Label::kNear);
       __ push(Immediate(0));
@@ skipping 5903 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87