From d7728dcc37ae60b50abd9961d79df1cc598b4f1c Mon Sep 17 00:00:00 2001
From: Felipe Pena <felipensp@gmail.com>
Date: Mon, 23 Dec 2024 22:45:08 -0300
Subject: [PATCH] fix

---
 vlib/v/checker/comptime.v                             |  1 +
 vlib/v/tests/skip_unused/comptime_for_fields.run.out  |  1 +
 .../comptime_for_fields.skip_unused.run.out           |  1 +
 vlib/v/tests/skip_unused/comptime_for_fields.vv       | 11 +++++++++++
 4 files changed, 14 insertions(+)
 create mode 100644 vlib/v/tests/skip_unused/comptime_for_fields.run.out
 create mode 100644 vlib/v/tests/skip_unused/comptime_for_fields.skip_unused.run.out
 create mode 100644 vlib/v/tests/skip_unused/comptime_for_fields.vv

diff --git a/vlib/v/checker/comptime.v b/vlib/v/checker/comptime.v
index aee7aea3ddfff8..894e4f10c6c146 100644
--- a/vlib/v/checker/comptime.v
+++ b/vlib/v/checker/comptime.v
@@ -294,6 +294,7 @@ fn (mut c Checker) comptime_for(mut node ast.ComptimeFor) {
 			for field in fields {
 				c.push_new_comptime_info()
 				c.comptime.inside_comptime_for = true
+				c.table.used_features.comptime_for = true
 				if c.field_data_type == 0 {
 					c.field_data_type = c.table.find_type('FieldData')
 				}
diff --git a/vlib/v/tests/skip_unused/comptime_for_fields.run.out b/vlib/v/tests/skip_unused/comptime_for_fields.run.out
new file mode 100644
index 00000000000000..baed14f1276d6a
--- /dev/null
+++ b/vlib/v/tests/skip_unused/comptime_for_fields.run.out
@@ -0,0 +1 @@
+['alias']
diff --git a/vlib/v/tests/skip_unused/comptime_for_fields.skip_unused.run.out b/vlib/v/tests/skip_unused/comptime_for_fields.skip_unused.run.out
new file mode 100644
index 00000000000000..baed14f1276d6a
--- /dev/null
+++ b/vlib/v/tests/skip_unused/comptime_for_fields.skip_unused.run.out
@@ -0,0 +1 @@
+['alias']
diff --git a/vlib/v/tests/skip_unused/comptime_for_fields.vv b/vlib/v/tests/skip_unused/comptime_for_fields.vv
new file mode 100644
index 00000000000000..52d728c431f06d
--- /dev/null
+++ b/vlib/v/tests/skip_unused/comptime_for_fields.vv
@@ -0,0 +1,11 @@
+module main
+
+struct Post {
+	title string @[alias]
+}
+
+fn main() {
+	$for field in Post.fields {
+		println(field.attrs)
+	}
+}