master
 1export fn foo() void {
 2    const slice: []const u8 = &.{ 1, 2, 3 };
 3    const result: [*]const u8 = @alignCast(slice);
 4    _ = result;
 5}
 6
 7// error
 8//
 9// :3:33: error: cannot implicitly convert slice to many pointer
10// :3:33: note: use 'ptr' field to convert slice to many pointer