From c644b0cac5bead7887903c16b9f69c3a4eb49bb1 Mon Sep 17 00:00:00 2001
From: CreeperFace <165158232+dy-tea@users.noreply.github.com>
Date: Tue, 23 Dec 2025 10:17:43 +0000
Subject: [PATCH] cgen: handle CallExpr in dumpexpr (fix #26084) (#26087)

---
 vlib/v/gen/c/dumpexpr.v                   |  3 +++
 vlib/v/tests/generics/generic_dump_test.v | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 vlib/v/tests/generics/generic_dump_test.v

diff --git a/vlib/v/gen/c/dumpexpr.v b/vlib/v/gen/c/dumpexpr.v
index 304866047..9db51740c 100644
--- a/vlib/v/gen/c/dumpexpr.v
+++ b/vlib/v/gen/c/dumpexpr.v
@@ -30,6 +30,9 @@ fn (mut g Gen) dump_expr(node ast.DumpExpr) {
 				name = g.styp(g.unwrap_generic(node.expr.info.typ.clear_flags(.shared_f,
 					.result))).replace('*', '')
 			}
+		} else if node.expr is ast.CallExpr {
+			name = g.styp(g.unwrap_generic(expr_type.clear_flags(.shared_f, .result))).replace('*',
+				'')
 		}
 	}
 	// var.$(field.name)
diff --git a/vlib/v/tests/generics/generic_dump_test.v b/vlib/v/tests/generics/generic_dump_test.v
new file mode 100644
index 000000000..c52d48205
--- /dev/null
+++ b/vlib/v/tests/generics/generic_dump_test.v
@@ -0,0 +1,18 @@
+struct Slice {
+	pointer &u8 = unsafe { nil }
+	len     int
+}
+
+pub fn decode_slice[T]() !T {
+	return T{}
+}
+
+@[manualfree]
+pub fn decode[T]() ! {
+	dump(decode_slice[T]()!)
+}
+
+fn test_main() {
+	decode[Slice]()!
+	decode[[3]int]()!
+}
-- 
2.39.5