diff --git a/src/cmd/compile/internal/types2/check.go b/src/cmd/compile/internal/types2/check.go
index 31a1aa2abe..411a1719ce 100644
--- a/src/cmd/compile/internal/types2/check.go
+++ b/src/cmd/compile/internal/types2/check.go
@@ -22,7 +22,7 @@ var nopos syntax.Pos
 const debug = false // leave on during development
 
 // position tracing for panics during type checking
-const tracePos = false // TODO(markfreeman): check performance implications
+const tracePos = true
 
 // _aliasAny changes the behavior of [Scope.Lookup] for "any" in the
 // [Universe] scope.
diff --git a/src/go/types/check.go b/src/go/types/check.go
index e4e8e95c99..c9753280bf 100644
--- a/src/go/types/check.go
+++ b/src/go/types/check.go
@@ -25,7 +25,7 @@ var noposn = atPos(nopos)
 const debug = false // leave on during development
 
 // position tracing for panics during type checking
-const tracePos = false // TODO(markfreeman): check performance implications
+const tracePos = true
 
 // gotypesalias controls the use of Alias types.
 // As of Apr 16 2024 they are used by default.