Sema: do not use coerceCompatiblePtr for alignCast

Closes #12902
2022-09-19 12:38:31 +03:00
parent e42f83825f
commit e584558bd8
2 changed files with 16 additions and 17 deletions
--- a/test/behavior/align.zig
+++ b/test/behavior/align.zig
@@ -556,3 +556,11 @@ test "comptime alloc alignment" {
    var bytes2_addr = @ptrToInt(&bytes2);
    try expect(bytes2_addr & 0xff == 0);
 }
+
+test "@alignCast null" {
+    if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
+
+    var ptr: ?*anyopaque = null;
+    const aligned: ?*anyopaque = @alignCast(@alignOf(?*anyopaque), ptr);
+    try expect(aligned == null);
+}