Remove TLS access for current Zone.

src/x64/regexp-macro-assembler-x64.h

Index: src/x64/regexp-macro-assembler-x64.h
diff --git a/src/x64/regexp-macro-assembler-x64.h b/src/x64/regexp-macro-assembler-x64.h
index 31fc8efd93629e1aad3d560d53482aa91b129569..99966172060be18e18baf65ba0ffe99659afe2e3 100644
--- a/src/x64/regexp-macro-assembler-x64.h
+++ b/src/x64/regexp-macro-assembler-x64.h
@@ -41,7 +41,7 @@ namespace internal {
 
 class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler {
  public:
-  RegExpMacroAssemblerX64(Mode mode, int registers_to_save);
+  RegExpMacroAssemblerX64(Mode mode, int registers_to_save, Zone* zone);
   virtual ~RegExpMacroAssemblerX64();
   virtual int stack_limit_slack();
   virtual void AdvanceCurrentPosition(int by);
@@ -241,7 +241,7 @@ class RegExpMacroAssemblerX64: public NativeRegExpMacroAssembler {
   void BranchOrBacktrack(Condition condition, Label* to);
 
   void MarkPositionForCodeRelativeFixup() {
-    code_relative_fixup_positions_.Add(masm_.pc_offset());
+    code_relative_fixup_positions_.Add(masm_.pc_offset(), zone());
   }
 
   void FixupCodeRelativePositions();