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-rw-r--r--src/ex_eval.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/ex_eval.c b/src/ex_eval.c
index 1142280bae..1f66e336f6 100644
--- a/src/ex_eval.c
+++ b/src/ex_eval.c
@@ -1191,8 +1191,9 @@ ex_while(exarg_T *eap)
& CSF_FUNC_DEF;
// Any variables defined in the previous round are no longer
- // visible.
- for (i = cstack->cs_script_var_len[cstack->cs_idx];
+ // visible. Keep the first one, it is the loop variable that
+ // we reuse every time around.
+ for (i = cstack->cs_script_var_len[cstack->cs_idx] + 1;
i < si->sn_var_vals.ga_len; ++i)
{
svar_T *sv = ((svar_T *)si->sn_var_vals.ga_data) + i;