patch 9.0.0470: in :def function all closures in loop get the same variables
Problem: In a :def function all closures in a loop get the same variables.
Solution: When in a loop and a closure refers to a variable declared in the
loop, prepare for making a copy of variables for each closure.
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 9755d97..5530056 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3449,8 +3449,14 @@
}
dfunc->df_varcount = dfunc->df_var_names.ga_len;
dfunc->df_has_closure = cctx.ctx_has_closure;
+
if (cctx.ctx_outer_used)
+ {
ufunc->uf_flags |= FC_CLOSURE;
+ if (outer_cctx != NULL)
+ ++outer_cctx->ctx_closure_count;
+ }
+
ufunc->uf_def_status = UF_COMPILED;
}