Revert "MultiArrayList: Fix error when struct is 0 sized"

This reverts commit 1f10cf4edf2b645e63dedc42f5d7475914bf2311.

Re-opens #10618

I want to solve this a different way. `align(S)` where S is a 0-byte
type should work in this context.

This also caused issues such as
https://github.com/Vexu/arocc/issues/221

1 files changed, 0 insertions, 29 deletions

diff --git a/lib/std/array_hash_map.zig b/lib/std/array_hash_map.zig
index efd75a0fee..7ebafc0a1b 100644
--- a/lib/std/array_hash_map.zig
+++ b/lib/std/array_hash_map.zig
@@ -2215,35 +2215,6 @@ test "auto store_hash" {
     try testing.expect(meta.fieldInfo(HasExpensiveEqlUn.Data, .hash).field_type != void);
 }
 
-test "0 sized key" {
-    var map = AutoArrayHashMap(u0, i32).init(std.testing.allocator);
-    defer map.deinit();
-
-    try testing.expectEqual(map.get(0), null);
-
-    try map.put(0, 5);
-    try testing.expectEqual(map.get(0), 5);
-
-    try map.put(0, 10);
-    try testing.expectEqual(map.get(0), 10);
-
-    try testing.expectEqual(map.swapRemove(0), true);
-    try testing.expectEqual(map.get(0), null);
-}
-
-test "0 sized key and 0 sized value" {
-    var map = AutoArrayHashMap(u0, u0).init(std.testing.allocator);
-    defer map.deinit();
-
-    try testing.expectEqual(map.get(0), null);
-
-    try map.put(0, 0);
-    try testing.expectEqual(map.get(0), 0);
-
-    try testing.expectEqual(map.swapRemove(0), true);
-    try testing.expectEqual(map.get(0), null);
-}
-
 pub fn getHashPtrAddrFn(comptime K: type, comptime Context: type) (fn (Context, K) u32) {
     return struct {
         fn hash(ctx: Context, key: K) u32 {