Add "isolate" argument to LOG macro to avoid TLS fetches.

src/ia32/regexp-macro-assembler-ia32.cc

Index: src/ia32/regexp-macro-assembler-ia32.cc
diff --git a/src/ia32/regexp-macro-assembler-ia32.cc b/src/ia32/regexp-macro-assembler-ia32.cc
index 93a934c1848d20a55541ca2bdd162cd53f48c8b4..a25aabc97baa988cbe7fe409f83714cc79caaf86 100644
--- a/src/ia32/regexp-macro-assembler-ia32.cc
+++ b/src/ia32/regexp-macro-assembler-ia32.cc
@@ -867,10 +867,12 @@ Handle<Object> RegExpMacroAssemblerIA32::GetCode(Handle<String> source) {
 
   CodeDesc code_desc;
   masm_->GetCode(&code_desc);
-  Handle<Code> code = FACTORY->NewCode(code_desc,
-                                       Code::ComputeFlags(Code::REGEXP),
-                                       masm_->CodeObject());
-  PROFILE(RegExpCodeCreateEvent(*code, *source));
+  Isolate* isolate = ISOLATE;
+  Handle<Code> code =
+      isolate->factory()->NewCode(code_desc,
+                                  Code::ComputeFlags(Code::REGEXP),
+                                  masm_->CodeObject());
+  PROFILE(isolate, RegExpCodeCreateEvent(*code, *source));
   return Handle<Object>::cast(code);
 }