Record function call targets, use them for inlining.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index fb674297967769dc60ee89d3d3c772a06e63964e..d37c3c9aae5f34baedf48d59b4ec5bbeb828a869 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -3047,7 +3047,7 @@ void LCodeGen::DoCallFunction(LCallFunction* instr) {
   ASSERT(ToRegister(instr->result()).is(eax));
 
   int arity = instr->arity();
-  CallFunctionStub stub(arity, RECEIVER_MIGHT_BE_IMPLICIT);
+  CallFunctionStub stub(arity, NO_CALL_FUNCTION_FLAGS);
   CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
   __ Drop(1);
 }
@@ -3925,9 +3925,16 @@ void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) {
 
 
 void LCodeGen::DoCheckFunction(LCheckFunction* instr) {
-  ASSERT(instr->InputAt(0)->IsRegister());
-  Operand operand = ToOperand(instr->InputAt(0));
-  __ cmp(operand, instr->hydrogen()->target());
+  Handle<JSFunction> target = instr->hydrogen()->target();
+  if (isolate()->heap()->InNewSpace(*target)) {
+    Register reg = ToRegister(instr->value());
+    Handle<JSGlobalPropertyCell> cell =
+        isolate()->factory()->NewJSGlobalPropertyCell(target);
+    __ cmp(reg, Operand::Cell(cell));
+  } else {
+    Operand operand = ToOperand(instr->value());
+    __ cmp(operand, instr->hydrogen()->target());
+  }
   DeoptimizeIf(not_equal, instr->environment());
 }