Handle stack frames differently inside and on the boundary of wasm.

src/frames.cc

Index: src/frames.cc
diff --git a/src/frames.cc b/src/frames.cc
index 643ee69ce8fa3b6ba970d387574683f417707a95..c4653c61e29f03ba0055841d99b0c862fca280ba 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -459,6 +459,10 @@ StackFrame::Type StackFrame::ComputeType(const StackFrameIteratorBase* iterator,
         return OPTIMIZED;
       case Code::WASM_FUNCTION:
         return WASM;
+      case Code::WASM_TO_JS_FUNCTION:
+        return WASM_TO_JS;
+      case Code::JS_TO_WASM_FUNCTION:
+        return JS_TO_WASM;
       case Code::BUILTIN:
         if (!marker->IsSmi()) {
           if (StandardFrame::IsArgumentsAdaptorFrame(state->fp)) {
@@ -707,12 +711,14 @@ void StandardFrame::IterateCompiledFrame(ObjectVisitor* v) const {
   // Visit the return address in the callee and incoming arguments.
   IteratePc(v, pc_address(), constant_pool_address(), code);
 
-  // Visit the context in stub frame and JavaScript frame.
-  // Visit the function in JavaScript frame.
-  Object** fixed_base = &Memory::Object_at(
-      fp() + StandardFrameConstants::kMarkerOffset);
-  Object** fixed_limit = &Memory::Object_at(fp());
-  v->VisitPointers(fixed_base, fixed_limit);
+  if (!is_wasm() && !is_wasm_to_js()) {
+    // Visit the context in stub frame and JavaScript frame.
+    // Visit the function in JavaScript frame.
+    Object** fixed_base =
+        &Memory::Object_at(fp() + StandardFrameConstants::kMarkerOffset);
+    Object** fixed_limit = &Memory::Object_at(fp());
+    v->VisitPointers(fixed_base, fixed_limit);
+  }
 }