Refactor FrameSummary for JS and Wasm frames

src/runtime/runtime-internal.cc

Index: src/runtime/runtime-internal.cc
diff --git a/src/runtime/runtime-internal.cc b/src/runtime/runtime-internal.cc
index 0eaf0ff908f90ece2d3a9f565dfabcfa8972d52a..1240fbde46f781e8066ab9771d1ca7cb63e4ce67 100644
--- a/src/runtime/runtime-internal.cc
+++ b/src/runtime/runtime-internal.cc
@@ -334,7 +334,7 @@ bool ComputeLocation(Isolate* isolate, MessageLocation* target) {
     // information to get canonical location information.
     List<FrameSummary> frames(FLAG_max_inlining_levels + 1);
     it.frame()->Summarize(&frames);
-    FrameSummary& summary = frames.last();
+    auto& summary = frames.last().AsJavaScript();
     Handle<JSFunction> function = summary.function();
     Handle<Object> script(function->shared()->script(), isolate);
     int pos = summary.abstract_code()->SourcePosition(summary.code_offset());