Merge pull request #4703 from flysand7/4685-range-stack-overflow

Do not warn about stack overflow in range loops 'by reference'
This commit is contained in:
gingerBill
2025-01-17 13:23:15 +00:00
committed by GitHub

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@@ -749,9 +749,15 @@ gb_internal void check_scope_usage_internal(Checker *c, Scope *scope, u64 vet_fl
// TODO(bill): When is a good size warn?
// Is >256 KiB good enough?
if (sz > 1ll<<18) {
gbString type_str = type_to_string(e->type);
warning(e->token, "Declaration of '%.*s' may cause a stack overflow due to its type '%s' having a size of %lld bytes", LIT(e->token.string), type_str, cast(long long)sz);
gb_string_free(type_str);
bool is_ref = false;
if((e->flags & EntityFlag_ForValue) != 0) {
is_ref = type_deref(e->Variable.for_loop_parent_type) != NULL;
}
if(!is_ref) {
gbString type_str = type_to_string(e->type);
warning(e->token, "Declaration of '%.*s' may cause a stack overflow due to its type '%s' having a size of %lld bytes", LIT(e->token.string), type_str, cast(long long)sz);
gb_string_free(type_str);
}
}
}
}