Rename "global context" to "native context",

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index d62606c6e2b9f8dfe9a6059e44872d63d24b4e82..46342e175a2377115ac4b6e42161d89009e9b7ee 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -1133,8 +1133,8 @@ class MacroAssembler: public Assembler {
   void LoadContext(Register dst, int context_chain_length);
 
   // Conditionally load the cached Array transitioned map of type
-  // transitioned_kind from the global context if the map in register
-  // map_in_out is the cached Array map in the global context of
+  // transitioned_kind from the native context if the map in register
+  // map_in_out is the cached Array map in the native context of
   // expected_kind.
   void LoadTransitionedArrayMapConditional(
       ElementsKind expected_kind,