This commit is contained in:
gingerBill
2025-02-24 14:07:39 +00:00
parent 0781526b35
commit c2cafcbe14

View File

@@ -1554,7 +1554,7 @@ gb_internal lbValue lb_build_binary_expr(lbProcedure *p, Ast *expr) {
lbValue cmp = lb_emit_comp_against_nil(p, be->op.kind, right);
Type *type = default_type(tv.type);
return lb_emit_conv(p, cmp, type);
} else if (lb_is_empty_string_constant(be->right)) {
} else if (lb_is_empty_string_constant(be->right) && !is_type_union(be->left->tav.type)) {
// `x == ""` or `x != ""`
lbValue s = lb_build_expr(p, be->left);
s = lb_emit_conv(p, s, t_string);
@@ -1562,7 +1562,7 @@ gb_internal lbValue lb_build_binary_expr(lbProcedure *p, Ast *expr) {
lbValue cmp = lb_emit_comp(p, be->op.kind, len, lb_const_int(p->module, t_int, 0));
Type *type = default_type(tv.type);
return lb_emit_conv(p, cmp, type);
} else if (lb_is_empty_string_constant(be->left)) {
} else if (lb_is_empty_string_constant(be->left) && !is_type_union(be->right->tav.type)) {
// `"" == x` or `"" != x`
lbValue s = lb_build_expr(p, be->right);
s = lb_emit_conv(p, s, t_string);