[inspector] fix positions for single expression arrow function

src/interpreter/bytecode-array-builder.cc

Index: src/interpreter/bytecode-array-builder.cc
diff --git a/src/interpreter/bytecode-array-builder.cc b/src/interpreter/bytecode-array-builder.cc
index d6c63de7efd856de04a0eae484fe4519b377cd93..904a8e021d89febc00fbce950b293629d921d91b 100644
--- a/src/interpreter/bytecode-array-builder.cc
+++ b/src/interpreter/bytecode-array-builder.cc
@@ -51,9 +51,7 @@ BytecodeArrayBuilder::BytecodeArrayBuilder(
         pipeline_);
   }
 
-  return_position_ =
-      literal ? std::max(literal->start_position(), literal->end_position() - 1)
-              : kNoSourcePosition;
+  return_position_ = literal ? literal->return_position() : kNoSourcePosition;
 }
 
 Register BytecodeArrayBuilder::first_context_register() const {