Support inlining at call-sites with mismatched number of arguments.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index e0512147735ca5b6d3260c4ff63a5cb098b045e6..b14fa8b34a851065decdce931d56591ef8a64e57 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -368,7 +368,11 @@ void LCodeGen::WriteTranslation(LEnvironment* environment,
 
   WriteTranslation(environment->outer(), translation);
   int closure_id = DefineDeoptimizationLiteral(environment->closure());
-  translation->BeginFrame(environment->ast_id(), closure_id, height);
+  if (environment->is_arguments_adaptor()) {
+    translation->BeginArgumentsAdaptorFrame(closure_id, translation_size);
+  } else {
+    translation->BeginJSFrame(environment->ast_id(), closure_id, height);
+  }
   for (int i = 0; i < translation_size; ++i) {
     LOperand* value = environment->values()->at(i);
     // spilled_registers_ and spilled_double_registers_ are either
@@ -504,10 +508,14 @@ void LCodeGen::RegisterEnvironmentForDeoptimization(LEnvironment* environment,
     // |>------------  translation_size ------------<|
 
     int frame_count = 0;
+    int jsframe_count = 0;
     for (LEnvironment* e = environment; e != NULL; e = e->outer()) {
       ++frame_count;
+      if (!e->is_arguments_adaptor()) {
+        ++jsframe_count;
+      }
     }
-    Translation translation(&translations_, frame_count);
+    Translation translation(&translations_, frame_count, jsframe_count);
     WriteTranslation(environment, &translation);
     int deoptimization_index = deoptimizations_.length();
     int pc_offset = masm()->pc_offset();