From 3dfe45a33e11eacc61a5dddd702e7652c8c03230 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Thu, 23 Apr 2026 17:59:30 +0300
Subject: [PATCH] cgen: fix Shared objects make function parameters shared
 (fixes #11957)

---
 .../shared_call_arg_struct_init.c.must_have   |  1 +
 .../c/testdata/shared_call_arg_struct_init.vv | 22 +++++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 vlib/v/gen/c/testdata/shared_call_arg_struct_init.c.must_have
 create mode 100644 vlib/v/gen/c/testdata/shared_call_arg_struct_init.vv

diff --git a/vlib/v/gen/c/testdata/shared_call_arg_struct_init.c.must_have b/vlib/v/gen/c/testdata/shared_call_arg_struct_init.c.must_have
new file mode 100644
index 000000000..81547c819
--- /dev/null
+++ b/vlib/v/gen/c/testdata/shared_call_arg_struct_init.c.must_have
@@ -0,0 +1 @@
+main__make_obj(((main__Options){.a = 1,}))}, sizeof(__shared__main__Obj))
diff --git a/vlib/v/gen/c/testdata/shared_call_arg_struct_init.vv b/vlib/v/gen/c/testdata/shared_call_arg_struct_init.vv
new file mode 100644
index 000000000..6a8e14956
--- /dev/null
+++ b/vlib/v/gen/c/testdata/shared_call_arg_struct_init.vv
@@ -0,0 +1,22 @@
+struct Options {
+	a int
+}
+
+struct Obj {
+	a int
+}
+
+fn make_obj(options Options) Obj {
+	return Obj{
+		a: options.a
+	}
+}
+
+fn main() {
+	shared obj := make_obj(Options{
+		a: 1
+	})
+	rlock obj {
+		assert obj.a == 1
+	}
+}
-- 
2.39.5