patch 8.2.1455: Vim9: crash when using typecast before constant
Problem: Vim9: crash when using typecast before constant.
Solution: Generate constant before checking type. Add tets.
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 5c4547d..9206284 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3501,11 +3501,12 @@
if (want_type != NULL)
{
garray_T *stack = &cctx->ctx_type_stack;
- type_T *actual = ((type_T **)stack->ga_data)[stack->ga_len - 1];
+ type_T *actual;
+ generate_ppconst(cctx, ppconst);
+ actual = ((type_T **)stack->ga_data)[stack->ga_len - 1];
if (check_type(want_type, actual, FALSE) == FAIL)
{
- generate_ppconst(cctx, ppconst);
if (need_type(actual, want_type, -1, cctx, FALSE) == FAIL)
return FAIL;
}
@@ -5016,6 +5017,7 @@
goto theend;
if (*skipwhite(p) != ']')
{
+ // this should not happen
emsg(_(e_missbrac));
goto theend;
}