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Crash when trying to convert a struct slice to a vector #2039.

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This commit is contained in:
Christoffer Lerno
2025-03-11 21:18:19 +01:00
parent 8c23c5028d
commit f5d02cd0d2
3 changed files with 15 additions and 1 deletions
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7
src/compiler/sema_casts.c
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@@ -1045,16 +1045,21 @@ static bool rule_slice_to_vecarr(CastContext *cc, bool is_explicit, bool is_sile
if (is_silent) return false;
RETURN_CAST_ERROR(expr, "Zero sized slices can't be converted to arrays or vectors.");
}
Type *base = cc->from->array.base;
if (cc->to_group == CONV_ARRAY)
{
if (expr_is_const_string(expr) || expr_is_const_bytes(expr))
{
if (cc->to->array.len > size) size = cc->to->array.len;
}
cast_context_set_from(cc, type_get_array(cc->from->array.base, size));
cast_context_set_from(cc, type_get_array(base, size));
}
else
{
if (!type_is_valid_for_vector(base))
{
return report_cast_error(cc, false);
}
cast_context_set_from(cc, type_get_vector(cc->from->array.base, size));
}
return cast_is_allowed(cc, is_explicit, is_silent);