[interpreter] add some expression positions.

src/interpreter/source-position-table.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/interpreter/source-position-table.h"
 
 #include "src/objects-inl.h"
 #include "src/objects.h"
 
 namespace v8 {
@@ skipping 122 matching lines @@
   LOG_CODE_EVENT(isolate_, CodeLinePosInfoAddPositionEvent(
                                jit_handler_data_, offset, source_position));
 }
 
 void SourcePositionTableBuilder::AddEntry(
     const PositionTableEntry& entry,
     SourcePositionTableBuilder::OnDuplicateCodeOffset on_duplicate) {
   // Don't encode a new entry if this bytecode already has a source position
   // assigned.
   if (candidate_.bytecode_offset == entry.bytecode_offset) {
-    if (on_duplicate == OVERWRITE_DUPLICATE) candidate_ = entry;
+    if ((!candidate_.is_statement && entry.is_statement) ||
+        on_duplicate == OVERWRITE_DUPLICATE) {
+      candidate_ = entry;
+    }
     return;
   }
 
   CommitEntry();
   candidate_ = entry;
 }
 
 void SourcePositionTableBuilder::CommitEntry() {
   if (candidate_.bytecode_offset == kUninitializedCandidateOffset) return;
   PositionTableEntry tmp(candidate_);
@@ skipping 45 matching lines @@
   } else {
     PositionTableEntry tmp;
     DecodeEntry(table_, &index_, &tmp);
     AddAndSetEntry(current_, tmp);
   }
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8