Generate a custom OSR entrypoint for OSR compiles on all platforms, and transition to optimized cod…

src/deoptimizer.h

Index: src/deoptimizer.h
diff --git a/src/deoptimizer.h b/src/deoptimizer.h
index 7ad1ab0b2e7f40227d0c90beea19e4474c644c46..eb3b0b76f61bcb400b78419b05f11e6dd08dcb45 100644
--- a/src/deoptimizer.h
+++ b/src/deoptimizer.h
@@ -122,7 +122,6 @@ class Deoptimizer : public Malloced {
     EAGER,
     LAZY,
     SOFT,
-    OSR,
     // This last bailout type is not really a bailout, but used by the
     // debugger to deoptimize stack frames to allow inspection.
     DEBUGGER
@@ -150,7 +149,8 @@ class Deoptimizer : public Malloced {
 
   int output_count() const { return output_count_; }
 
-  Code::Kind compiled_code_kind() const { return compiled_code_->kind(); }
+  Code* compiled_code() const { return compiled_code_; }
+  JSFunction* function() const { return function_; }
 
   // Number of created JS frames. Not all created frames are necessarily JS.
   int jsframe_count() const { return jsframe_count_; }
@@ -359,7 +359,6 @@ class Deoptimizer : public Malloced {
   void DeleteFrameDescriptions();
 
   void DoComputeOutputFrames();
-  void DoComputeOsrOutputFrame();
   void DoComputeJSFrame(TranslationIterator* iterator, int frame_index);
   void DoComputeArgumentsAdaptorFrame(TranslationIterator* iterator,
                                       int frame_index);
@@ -385,13 +384,6 @@ class Deoptimizer : public Malloced {
       unsigned output_offset,
       DeoptimizerTranslatedValueType value_type = TRANSLATED_VALUE_IS_TAGGED);
 
-  // Translate a command for OSR.  Updates the input offset to be used for
-  // the next command.  Returns false if translation of the command failed
-  // (e.g., a number conversion failed) and may or may not have updated the
-  // input offset.
-  bool DoOsrTranslateCommand(TranslationIterator* iterator,
-                             int* input_offset);
-
   unsigned ComputeInputFrameSize() const;
   unsigned ComputeFixedSize(JSFunction* function) const;