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-rw-r--r--src/if_tcl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/if_tcl.c b/src/if_tcl.c
index 690c6392b..9ecabf84c 100644
--- a/src/if_tcl.c
+++ b/src/if_tcl.c
@@ -1385,7 +1385,10 @@ tclvimexpr(
if (str == NULL)
Tcl_SetResult(interp, _("invalid expression"), TCL_STATIC);
else
+ {
Tcl_SetResult(interp, str, TCL_VOLATILE);
+ vim_free(str);
+ }
err = vimerror(interp);
#else
Tcl_SetResult(interp, _("expressions disabled at compile time"), TCL_STATIC);