optinoal error; compiles

1 files changed, 14 insertions, 10 deletions

diff --git a/src/libcmd/repl.cc b/src/libcmd/repl.cc
index fdd63621f..e66cf4430 100644
--- a/src/libcmd/repl.cc
+++ b/src/libcmd/repl.cc
@@ -917,19 +917,23 @@ void runRepl(
 {
     auto repl = std::make_unique<NixRepl>(evalState);
 
-    repl->debugError = debugError;
+    // repl->debugError = debugError;
 
     repl->initEnv();
 
-    // tack on a final DebugTrace for the error position.
-    DebugTraceStacker ldts(
-          *evalState,
-          DebugTrace 
-                {.pos = debugError->info().errPos,
-                 .expr = expr,
-                 .env = *repl->env,
-                 .hint = debugError->info().msg
-                });
+    // auto dts = debugError ? 
+    //     std::unique_ptr<DebugTraceStacker>(
+    //         // tack on a final DebugTrace for the error position.
+    //         new DebugTraceStacker(
+    //               *evalState,
+    //               DebugTrace
+    //                     {.pos = debugError->info().errPos,
+    //                      .expr = expr,
+    //                      .env = *repl->env,
+    //                      .hint = debugError->info().msg
+    //                     })
+    //         )
+    //     : nullptr;
 
     // add 'extra' vars.
     std::set<std::string> names;