Inline functions with different contexts in the optimizing code generator.

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
diff --git a/src/x64/lithium-x64.h b/src/x64/lithium-x64.h
index d169bf6dfc61dcc14e6613a4ec15966dd81e58a9..9903f71408d5043ae62c4766d7133d995f1fb933 100644
--- a/src/x64/lithium-x64.h
+++ b/src/x64/lithium-x64.h
@@ -101,6 +101,7 @@ class LCodeGen;
   V(HasCachedArrayIndexAndBranch)               \
   V(HasInstanceTypeAndBranch)                   \
   V(In)                                         \
+  V(InlinedContext)                             \
   V(InstanceOf)                                 \
   V(InstanceOfKnownGlobal)                      \
   V(InstructionGap)                             \
@@ -1284,6 +1285,15 @@ class LContext: public LTemplateInstruction<1, 0, 0> {
 };
 
 
+class LInlinedContext: public LTemplateInstruction<1, 0, 0> {
+ public:
+  DECLARE_CONCRETE_INSTRUCTION(InlinedContext, "inlined-context")
+  DECLARE_HYDROGEN_ACCESSOR(InlinedContext)
+
+  Handle<JSFunction> closure() const { return hydrogen()->closure(); }
+};
+
+
 class LOuterContext: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LOuterContext(LOperand* context) {