Implement proper map checks of captured objects.

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index ba1abdc63291e15b6b225ad3df51a7465671537f..f16b2d27fb4d9b9b27e93727ce13bfe8f6dd54e8 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -2043,14 +2043,14 @@ LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoCheckFunction(HCheckFunction* instr) {
-  // If the target is in new space, we'll emit a global cell compare and so
-  // want the value in a register.  If the target gets promoted before we
+LInstruction* LChunkBuilder::DoCheckValue(HCheckValue* instr) {
+  // If the object is in new space, we'll emit a global cell compare and so
+  // want the value in a register.  If the object gets promoted before we
   // emit code, we will still get the register but will do an immediate
   // compare instead of the cell compare.  This is safe.
-  LOperand* value = instr->target_in_new_space()
+  LOperand* value = instr->object_in_new_space()
       ? UseRegisterAtStart(instr->value()) : UseAtStart(instr->value());
-  return AssignEnvironment(new(zone()) LCheckFunction(value));
+  return AssignEnvironment(new(zone()) LCheckValue(value));
 }