From 9965d960b594dcdc67b356201eba57db38be24f5 Mon Sep 17 00:00:00 2001
From: mlugg <mlugg@mlugg.co.uk>
Date: Thu, 21 Sep 2023 21:36:31 +0100
Subject: [PATCH] type: give empty unions 1-byte alignment

Zero-byte alignment is no longer valid for runtime types. I made most of
these changes in an earlier commit, but missed this case.
---
 src/type.zig | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/type.zig b/src/type.zig
index 067c38b6b0..a42f7dd4ee 100644
--- a/src/type.zig
+++ b/src/type.zig
@@ -1051,9 +1051,7 @@ pub const Type = struct {
                         if (union_obj.hasTag(ip)) {
                             return abiAlignmentAdvanced(union_obj.enum_tag_ty.toType(), mod, strat);
                         } else {
-                            return .{
-                                .scalar = Alignment.fromByteUnits(@intFromBool(union_obj.flagsPtr(ip).layout == .Extern)),
-                            };
+                            return .{ .scalar = .@"1" };
                         }
                     }