ld: warning: pointer not aligned at address 0x100050C7DAre you running macOS and recently installed an update to Xcode? I ran into this today as well. Looks like other have too: https://issues.dlang.org/show_bug.cgi?id=17289
Yes, I do indeed use macOS and am on the latest version. I spun up a Ubuntu vm and in works correctly there. Thanks.
