Remove obsolete isolate from CompareOperation predicate.

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index 746caf262071ab6b1dc155425b4b4c24cefce5b3..b04f5a40e1aa098374848d301abab987a8bd59c2 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -2842,7 +2842,7 @@ void AstGraphBuilder::VisitCompareOperation(CompareOperation* expr) {
   if (expr->IsLiteralCompareTypeof(&sub_expr, &check)) {
     return VisitLiteralCompareTypeof(expr, sub_expr, check);
   }
-  if (expr->IsLiteralCompareUndefined(&sub_expr, isolate())) {
+  if (expr->IsLiteralCompareUndefined(&sub_expr)) {
     return VisitLiteralCompareNil(expr, sub_expr,
                                   jsgraph()->UndefinedConstant());
   }