From 7f2f3ef0a6cf004e4920ccfdeb3db53b7e188846 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Sat, 25 Apr 2026 15:28:33 +0300
Subject: [PATCH] all: fix linux tests

---
 vlib/v/checker/fn.v                                   |  2 +-
 vlib/v/gen/c/fn.v                                     |  8 +++++++-
 vlib/v/gen/js/js.v                                    |  3 +++
 .../compile_obj_file_and_link_separately/main.v       |  3 ++-
 vlib/v2/ssa/builder.v                                 |  2 +-
 vlib/v2/types/checker.v                               | 11 +++++++++++
 6 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/vlib/v/checker/fn.v b/vlib/v/checker/fn.v
index 295631f40..cd9456a2e 100644
--- a/vlib/v/checker/fn.v
+++ b/vlib/v/checker/fn.v
@@ -2204,7 +2204,7 @@ fn (mut c Checker) fn_call(mut node ast.CallExpr, mut continue_check &bool) ast.
 	}
 	if node.kind == .free && func.mod == 'builtin' && args_len == 1
 		&& c.table.cur_fn != unsafe { nil } && c.table.cur_fn.is_method && !c.is_builtin_mod
-		&& !c.inside_recheck {
+		&& c.table.cur_fn.name.all_after_last('.') != 'free' && !c.inside_recheck {
 		if node.args[0].expr is ast.Ident {
 			if node.args[0].expr.name == c.table.cur_fn.receiver.name {
 				receiver_sym := c.table.sym(c.table.cur_fn.receiver.typ)
diff --git a/vlib/v/gen/c/fn.v b/vlib/v/gen/c/fn.v
index 8dd85e6e8..7d497a3b6 100644
--- a/vlib/v/gen/c/fn.v
+++ b/vlib/v/gen/c/fn.v
@@ -1856,7 +1856,6 @@ fn (mut g Gen) fn_decl_params(params []ast.Param, scope &ast.Scope, is_variadic
 		}
 	}
 	for i, param in params {
-		mut caname := if param.name in ['', '_'] { '_d${i + 1}' } else { c_name(param.name) }
 		mut typ := g.unwrap_generic(param.typ)
 		if g.pref.translated && g.file.is_translated && param.typ.has_flag(.variadic) {
 			typ = g.table.sym(typ).array_info().elem_type.set_flag(.variadic)
@@ -1885,6 +1884,13 @@ fn (mut g Gen) fn_decl_params(params []ast.Param, scope &ast.Scope, is_variadic
 			typ = typ.ref()
 		}
 		param_type_sym := g.table.sym(typ)
+		mut caname := if param.name in ['', '_'] {
+			'_d${i + 1}'
+		} else if param_type_sym.kind == .function && !typ.has_flag(.option) {
+			c_fn_name(param.name)
+		} else {
+			c_name(param.name)
+		}
 		mut param_type_name := g.styp(typ)
 		if param.typ.has_flag(.generic) {
 			param_type_name = param_type_name.replace_each(c_fn_name_escape_seq)
diff --git a/vlib/v/gen/js/js.v b/vlib/v/gen/js/js.v
index d15dba5e0..3b793668d 100644
--- a/vlib/v/gen/js/js.v
+++ b/vlib/v/gen/js/js.v
@@ -177,6 +177,9 @@ pub fn gen(files []&ast.File, mut table ast.Table, pref_ &pref.Preferences) stri
 		for ty in iface_types {
 			sym := g.table.sym(ty)
 			for method in iface.methods {
+				if method.name == 'toString' {
+					continue
+				}
 				p_sym := g.table.sym(ty)
 
 				mname := if p_sym.has_method(method.name) {
diff --git a/vlib/v/slow_tests/run_project_folders/compile_obj_file_and_link_separately/main.v b/vlib/v/slow_tests/run_project_folders/compile_obj_file_and_link_separately/main.v
index 470bc86b0..731b46b20 100644
--- a/vlib/v/slow_tests/run_project_folders/compile_obj_file_and_link_separately/main.v
+++ b/vlib/v/slow_tests/run_project_folders/compile_obj_file_and_link_separately/main.v
@@ -20,7 +20,8 @@ fn main() {
 	os.chdir(@DIR)!
 	os.rmdir_all(tfolder) or {}
 	os.mkdir_all(tfolder)!
-	lexec('${vexe} -is_o -o "${tfolder}/abc.o"        -gc none -cc ${gcc} abc/')
+	os.cp_all('abc', os.join_path(tfolder, 'abc'), true)!
+	lexec('${vexe} -is_o -o "${tfolder}/abc.o"        -gc none -cc ${gcc} "${tfolder}/abc/"')
 	lexec('${gcc}        -o "${tfolder}/main_in_c.o"  -c main_in_c.c')
 	lexec('${gcc}        -o "${tfolder}/program.exe"  "${tfolder}/abc.o"   "${tfolder}/main_in_c.o"')
 	res := lexec('${tfolder}/program.exe')
diff --git a/vlib/v2/ssa/builder.v b/vlib/v2/ssa/builder.v
index 17d0c821f..2a07d8207 100644
--- a/vlib/v2/ssa/builder.v
+++ b/vlib/v2/ssa/builder.v
@@ -7556,7 +7556,7 @@ fn (mut b Builder) add_edge(from BlockID, to BlockID) {
 	b.mod.block_add_pred(to, from)
 }
 
-fn (mut b Builder) get_or_create_fn_ref(name string, typ TypeID) ValueID {
+fn (mut b Builder) get_or_create_fn_ref(name string, _typ TypeID) ValueID {
 	if name in b.fn_refs {
 		return b.fn_refs[name]
 	}
diff --git a/vlib/v2/types/checker.v b/vlib/v2/types/checker.v
index adde971f1..dd9a96bce 100644
--- a/vlib/v2/types/checker.v
+++ b/vlib/v2/types/checker.v
@@ -1006,6 +1006,17 @@ fn (mut c Checker) check_types(exp_type Type, got_type Type) bool {
 	return false
 }
 
+fn (c &Checker) resolve_stale_alias(name string) Type {
+	if obj := c.scope.lookup_parent(name, 0) {
+		typ := obj.typ()
+		if typ is Alias {
+			return typ.base_type
+		}
+		return typ
+	}
+	return Type(Alias{})
+}
+
 fn (c &Checker) is_string_struct(typ Type) bool {
 	if typ is Struct {
 		return typ.name == 'string' || typ.name.ends_with('__string')
-- 
2.39.5