From adba66435502f0ac7f9cafe610f82960a53997da Mon Sep 17 00:00:00 2001
From: xtex <xtex@astrafall.org>
Date: Tue, 8 Sep 2026 21:01:31 +0800
Subject: [PATCH] test: add regression test for #36732

---
 test/behavior/switch.zig | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/test/behavior/switch.zig b/test/behavior/switch.zig
index 25eb5159357c06134f6b8e2f3fa5276528b7d4c4..1533d6d5693c7b6e283eab6653d8e018ea0c2d33 100644
--- a/test/behavior/switch.zig
+++ b/test/behavior/switch.zig
@@ -1568,3 +1568,16 @@ test "union field pointer capture preserves alignment in inline prong" {
     try comptime U.doTheTest(&.{ .a = 123 });
     try comptime U.doTheTest(&.{ .b = 123 });
 }
+
+test "switch on expression" {
+    var a: []const []const u8 = &.{ "b", "b", "A", "A", "b" };
+    _ = &a;
+    var c: isize = 0;
+    for (a[1..]) |b| {
+        switch (b[0] % 2) {
+            0 => c += 1,
+            else => c -= 1,
+        }
+    }
+    try expect(c == 0);
+}
-- 
2.54.0