Disentangle assembler from isolate.

src/heap/mark-compact.cc

Index: src/heap/mark-compact.cc
diff --git a/src/heap/mark-compact.cc b/src/heap/mark-compact.cc
index 473db2291f0cab19c0f41b3c99066ea1e1841890..9bb12f0ec5bc79c166954a07702624c619c644a3 100644
--- a/src/heap/mark-compact.cc
+++ b/src/heap/mark-compact.cc
@@ -4009,7 +4009,7 @@ void MarkCompactCollector::RecordCodeTargetPatch(Address pc, Code* target) {
         isolate()->inner_pointer_to_code_cache()->GcSafeFindCodeForInnerPointer(
             pc);
     if (ObjectMarking::IsBlack(host)) {
-      RelocInfo rinfo(isolate(), pc, RelocInfo::CODE_TARGET, 0, host);
+      RelocInfo rinfo(pc, RelocInfo::CODE_TARGET, 0, host);
       // The target is always in old space, we don't have to record the slot in
       // the old-to-new remembered set.
       DCHECK(!heap()->InNewSpace(target));