Always pass an Isolate to AssemblerBase

src/arm/codegen-arm.cc

Index: src/arm/codegen-arm.cc
diff --git a/src/arm/codegen-arm.cc b/src/arm/codegen-arm.cc
index ef7b2448eff265e6225a0bb77e4f58f09bdf8aa8..c34acd6a5b8750c395d1fb69e40754c56d5b9f69 100644
--- a/src/arm/codegen-arm.cc
+++ b/src/arm/codegen-arm.cc
@@ -893,9 +893,10 @@ CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
   // to avoid overloading the stack in stress conditions.
   // DONT_FLUSH is used because the CodeAgingHelper is initialized early in
   // the process, before ARM simulator ICache is setup.
-  base::SmartPointer<CodePatcher> patcher(new CodePatcher(
-      young_sequence_.start(), young_sequence_.length() / Assembler::kInstrSize,
-      CodePatcher::DONT_FLUSH));
+  base::SmartPointer<CodePatcher> patcher(
+      new CodePatcher(isolate, young_sequence_.start(),
+                      young_sequence_.length() / Assembler::kInstrSize,
+                      CodePatcher::DONT_FLUSH));
   PredictableCodeSizeScope scope(patcher->masm(), young_sequence_.length());
   patcher->masm()->PushFixedFrame(r1);
   patcher->masm()->nop(ip.code());
@@ -942,7 +943,8 @@ void Code::PatchPlatformCodeAge(Isolate* isolate,
     Assembler::FlushICache(isolate, sequence, young_length);
   } else {
     Code* stub = GetCodeAgeStub(isolate, age, parity);
-    CodePatcher patcher(sequence, young_length / Assembler::kInstrSize);
+    CodePatcher patcher(isolate, sequence,
+                        young_length / Assembler::kInstrSize);
     patcher.masm()->add(r0, pc, Operand(-8));
     patcher.masm()->ldr(pc, MemOperand(pc, -4));
     patcher.masm()->emit_code_stub_address(stub);