[Interpreter] Log source positions for bytecode arrays.

src/x64/assembler-x64.h

Index: src/x64/assembler-x64.h
diff --git a/src/x64/assembler-x64.h b/src/x64/assembler-x64.h
index 2847ff2569c2d967de06334e74182dedb16e1520..0ce714db0915fa077e943853ede217ce6c69babc 100644
--- a/src/x64/assembler-x64.h
+++ b/src/x64/assembler-x64.h
@@ -1695,7 +1695,9 @@ class Assembler : public AssemblerBase {
   void dp(uintptr_t data) { dq(data); }
   void dq(Label* label);
 
-  PositionsRecorder* positions_recorder() { return &positions_recorder_; }
+  AssemblerPositionsRecorder* positions_recorder() {
+    return &positions_recorder_;
+  }
 
   // Check if there is less than kGap bytes available in the buffer.
   // If this is the case, we need to grow the buffer before emitting
@@ -2178,8 +2180,8 @@ class Assembler : public AssemblerBase {
 
   List< Handle<Code> > code_targets_;
 
-  PositionsRecorder positions_recorder_;
-  friend class PositionsRecorder;
+  AssemblerPositionsRecorder positions_recorder_;
+  friend class AssemblerPositionsRecorder;
 };