Remove some dead code.

src/jump-target-light.cc

Index: src/jump-target-light.cc
diff --git a/src/jump-target-light.cc b/src/jump-target-light.cc
deleted file mode 100644
index 1d8947459afb24158d08af81fc9ebaaaf3d51168..0000000000000000000000000000000000000000
--- a/src/jump-target-light.cc
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "v8.h"
-
-#include "codegen-inl.h"
-#include "jump-target-inl.h"
-
-namespace v8 {
-namespace internal {
-
-
-DeferredCode::DeferredCode()
-    : masm_(CodeGeneratorScope::Current(Isolate::Current())->masm()),
-      statement_position_(masm_->positions_recorder()->
-                          current_statement_position()),
-      position_(masm_->positions_recorder()->current_position()),
-      frame_state_(*CodeGeneratorScope::Current(Isolate::Current())->frame()) {
-  ASSERT(statement_position_ != RelocInfo::kNoPosition);
-  ASSERT(position_ != RelocInfo::kNoPosition);
-
-  CodeGeneratorScope::Current(Isolate::Current())->AddDeferred(this);
-
-#ifdef DEBUG
-  comment_ = "";
-#endif
-}
-
-
-// -------------------------------------------------------------------------
-// BreakTarget implementation.
-
-
-void BreakTarget::SetExpectedHeight() {
-  expected_height_ = cgen()->frame()->height();
-}
-
-
-void BreakTarget::Jump() {
-  ASSERT(cgen()->has_valid_frame());
-
-  int count = cgen()->frame()->height() - expected_height_;
-  if (count > 0) {
-    cgen()->frame()->Drop(count);
-  }
-  DoJump();
-}
-
-
-void BreakTarget::Branch(Condition cc, Hint hint) {
-  if (cc == al) {
-    Jump();
-    return;
-  }
-
-  ASSERT(cgen()->has_valid_frame());
-
-  int count = cgen()->frame()->height() - expected_height_;
-  if (count > 0) {
-    // We negate and branch here rather than using DoBranch's negate
-    // and branch.  This gives us a hook to remove statement state
-    // from the frame.
-    JumpTarget fall_through;
-    // Branch to fall through will not negate, because it is a
-    // forward-only target.
-    fall_through.Branch(NegateCondition(cc), NegateHint(hint));
-    // Emit merge code.
-    cgen()->frame()->Drop(count);
-    DoJump();
-    fall_through.Bind();
-  } else {
-    DoBranch(cc, hint);
-  }
-}
-
-
-void BreakTarget::Bind() {
-  if (cgen()->has_valid_frame()) {
-    int count = cgen()->frame()->height() - expected_height_;
-    if (count > 0) {
-      cgen()->frame()->Drop(count);
-    }
-  }
-  DoBind();
-}
-
-} }  // namespace v8::internal