From c80609dfecb57a3830583eeeb3e0fce5860d657b Mon Sep 17 00:00:00 2001 From: Jacob Young Date: Thu, 27 Jul 2023 22:40:54 -0400 Subject: Sema: don't reorder tuple fields This conflicts with anon structs which can be in-memory coercible but are never reordered. Closes #16242 --- test/behavior/tuple.zig | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'test/behavior/tuple.zig') diff --git a/test/behavior/tuple.zig b/test/behavior/tuple.zig index e9d3fcd0aa..757db0aa16 100644 --- a/test/behavior/tuple.zig +++ b/test/behavior/tuple.zig @@ -453,3 +453,17 @@ test "tuple pointer is indexable" { try expectEqual(@as(u32, 100), (&y)[0]); try expectEqual(false, (&y)[1]); } + +test "coerce anon tuple to tuple" { + if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO + if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO + if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO + if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest; // TODO + + var x: u8 = 1; + var y: u16 = 2; + var t = .{ x, y }; + var s: struct { u8, u16 } = t; + try expectEqual(x, s[0]); + try expectEqual(y, s[1]); +} -- cgit v1.2.3