stage2: make `error{}` the same size as `anyerror`

Having `error{}` be a zero bit type causes issues when it interracts
with empty inferred error sets which are the same size as `anyerror`.

1 files changed, 0 insertions, 59 deletions

diff --git a/test/behavior/error.zig b/test/behavior/error.zig
index ac51ec1eae..c9697a0f82 100644
--- a/test/behavior/error.zig
+++ b/test/behavior/error.zig
@@ -453,65 +453,6 @@ test "optional error set is the same size as error set" {
     comptime try expect(S.returnsOptErrSet() == null);
 }
 
-test "optional error set with only one error is the same size as bool" {
-    if (builtin.zig_backend == .stage1) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
-
-    const E = error{only};
-    comptime try expect(@sizeOf(?E) == @sizeOf(bool));
-    comptime try expect(@alignOf(?E) == @alignOf(bool));
-    const S = struct {
-        fn gimmeNull() ?E {
-            return null;
-        }
-        fn gimmeErr() ?E {
-            return error.only;
-        }
-    };
-    try expect(S.gimmeNull() == null);
-    try expect(error.only == S.gimmeErr().?);
-    comptime try expect(S.gimmeNull() == null);
-    comptime try expect(error.only == S.gimmeErr().?);
-}
-
-test "optional empty error set" {
-    if (builtin.zig_backend == .stage1) return error.SkipZigTest;
-
-    comptime try expect(@sizeOf(error{}!void) == @sizeOf(void));
-    comptime try expect(@alignOf(error{}!void) == @alignOf(void));
-
-    var x: ?error{} = undefined;
-    if (x != null) {
-        @compileError("test failed");
-    }
-}
-
-test "empty error set plus zero-bit payload" {
-    if (builtin.zig_backend == .stage1) return error.SkipZigTest;
-    if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
-    if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
-
-    comptime try expect(@sizeOf(error{}!void) == @sizeOf(void));
-    comptime try expect(@alignOf(error{}!void) == @alignOf(void));
-
-    var x: error{}!void = undefined;
-    if (x) |payload| {
-        if (payload != {}) {
-            @compileError("test failed");
-        }
-    } else |_| {
-        @compileError("test failed");
-    }
-    const S = struct {
-        fn empty() error{}!void {}
-        fn inferred() !void {
-            return empty();
-        }
-    };
-    try S.inferred();
-}
-
 test "nested catch" {
     if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO