Fix calls of strict mode function with an implicit receiver.

src/v8globals.h

Index: src/v8globals.h
diff --git a/src/v8globals.h b/src/v8globals.h
index ef9d70722c0bb0dc6be166c7951d34e6b9694105..a23ca194aa61fd0983b58d4efdcf6fe06c20a36e 100644
--- a/src/v8globals.h
+++ b/src/v8globals.h
@@ -310,7 +310,9 @@ enum InLoopFlag {
 
 enum CallFunctionFlags {
   NO_CALL_FUNCTION_FLAGS = 0,
-  RECEIVER_MIGHT_BE_VALUE = 1 << 0  // Receiver might not be a JSObject.
+  // Receiver might implicitly be the global objects. If it is, the
+  // hole is passed to the call function stub.
+  RECEIVER_MIGHT_BE_IMPLICIT = 1 << 0
 };
 
 
@@ -497,6 +499,14 @@ enum SmiCheckType {
   DO_SMI_CHECK
 };
 
+
+// Used to specify whether a receiver is implicitly or explicitly
+// provided to a call.
+enum CallKind {
+  CALL_AS_METHOD = 0,
+  CALL_AS_FUNCTION
+};
+
 } }  // namespace v8::internal
 
 #endif  // V8_V8GLOBALS_H_