[Issue 12164] Function returning ptrdiff_t.min in 64-bit returning 0 when -O is set.

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12164

--- Comment #15 from github-bugzilla at puremagic.com ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/be520148c02ad417a6fd5c8e98e6d56afb8e01ab
Merge pull request #3805 from yebblies/issue12164

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