[runtime] Simplify handler table lookup semantics.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index 74ba4666ac331ba905aa2af1d2103bd2d2b3b84c..a56da2ddf0901b553655eb0f0a4f9173ee37bfef 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -1344,8 +1344,9 @@ HandlerTable::CatchPrediction PredictException(JavaScriptFrame* frame) {
         // Must have been constructed from a bytecode array.
         CHECK_EQ(AbstractCode::INTERPRETED_FUNCTION, code->kind());
         int code_offset = summary.code_offset();
-        int index = code->GetBytecodeArray()->LookupRangeInHandlerTable(
-            code_offset, nullptr, &prediction);
+        BytecodeArray* bytecode = code->GetBytecodeArray();
+        HandlerTable* table = HandlerTable::cast(bytecode->handler_table());
+        int index = table->LookupRange(code_offset, nullptr, &prediction);
         if (index <= 0) continue;
         if (prediction == HandlerTable::UNCAUGHT) continue;
         return prediction;