[interpreter] Fix stack trace printers for debugging.

src/frames.cc

Index: src/frames.cc
diff --git a/src/frames.cc b/src/frames.cc
index 145f50f49ee579e17d5942bc0d28c3d9aeb46b39..bbe6eb79e2c81d501ce0c3edb628ea32f4e4c0b4 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -1398,14 +1398,21 @@ void JavaScriptFrame::Print(StringStream* accumulator,
       int offset = static_cast<int>(pc - code->instruction_start());
       int source_pos = code->SourcePosition(offset);
       int line = script->GetLineNumber(source_pos) + 1;
-      accumulator->Add(":%d", line);
+      accumulator->Add(":%d] [pc=%p]", line, pc);
+    } else if (is_interpreted()) {
+      const InterpretedFrame* iframe =
+          reinterpret_cast<const InterpretedFrame*>(this);
+      BytecodeArray* bytecodes = iframe->GetBytecodeArray();
+      int offset = iframe->GetBytecodeOffset();
+      int source_pos = bytecodes->SourcePosition(offset);
+      int line = script->GetLineNumber(source_pos) + 1;
+      accumulator->Add(":%d] [bytecode=%p offset=%d]", line, bytecodes, offset);
     } else {
       int function_start_pos = shared->start_position();
       int line = script->GetLineNumber(function_start_pos) + 1;
       accumulator->Add(":~%d", line);
+      accumulator->Add(":%d] [pc=%p]", line, pc);

[Michael Starzinger, 2016/04/21 17:05:18]

nit: Doesn't this print the line number twice now?

[Yang, 2016/04/22 05:03:39]

You are right. Fixed.

     }
-
-    accumulator->Add("] [pc=%p] ", pc);
   }
 
   accumulator->Add("(this=%o", receiver);