From f375d18f4ba41abcf55d2cb534c29c9670a6dee8 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Tue, 14 Apr 2026 12:45:26 +0300
Subject: [PATCH] parser: module function name conflict to keyword/type (fixes
 #23173)

---
 vlib/v/parser/parser.v                            |  6 ++++--
 .../same_module_type_name_fn.v                    | 15 +++++++++++++++
 .../tests/modules/same_module_type_name_fn_test.v |  8 ++++++++
 3 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 vlib/v/tests/modules/same_module_type_name_fn/same_module_type_name_fn.v
 create mode 100644 vlib/v/tests/modules/same_module_type_name_fn_test.v

diff --git a/vlib/v/parser/parser.v b/vlib/v/parser/parser.v
index 72eddc3b9..46f5f09f6 100644
--- a/vlib/v/parser/parser.v
+++ b/vlib/v/parser/parser.v
@@ -1716,9 +1716,11 @@ fn (mut p Parser) name_expr() ast.Expr {
 					p.add_defer_var(ident)
 					return node
 				}
+				// prepend the full import
+				mod = p.imports[p.tok.lit]
+			} else if p.mod.all_after_last('.') == p.tok.lit {
+				mod = p.mod
 			}
-			// prepend the full import
-			mod = p.imports[p.tok.lit]
 		}
 		line_nr := p.tok.line_nr
 		p.next()
diff --git a/vlib/v/tests/modules/same_module_type_name_fn/same_module_type_name_fn.v b/vlib/v/tests/modules/same_module_type_name_fn/same_module_type_name_fn.v
new file mode 100644
index 000000000..c0ef489c3
--- /dev/null
+++ b/vlib/v/tests/modules/same_module_type_name_fn/same_module_type_name_fn.v
@@ -0,0 +1,15 @@
+module same_module_type_name_fn
+
+// i64 returns a value from a same-module function whose name matches a builtin type.
+pub fn i64() i64 {
+	return 1
+}
+
+// vfmt off
+const module_value = same_module_type_name_fn.i64()
+// vfmt on
+
+// get_value returns the const initialized through the same-module selector call.
+pub fn get_value() i64 {
+	return module_value
+}
diff --git a/vlib/v/tests/modules/same_module_type_name_fn_test.v b/vlib/v/tests/modules/same_module_type_name_fn_test.v
new file mode 100644
index 000000000..3967ec36f
--- /dev/null
+++ b/vlib/v/tests/modules/same_module_type_name_fn_test.v
@@ -0,0 +1,8 @@
+module main
+
+import same_module_type_name_fn
+
+fn test_same_module_function_name_can_match_builtin_type() {
+	assert same_module_type_name_fn.i64() == i64(1)
+	assert same_module_type_name_fn.get_value() == i64(1)
+}
-- 
2.39.5