[Issue 18053] Use stdint.h mangling for int64_t/uint64_t when mangling D long/ulong

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18053

--- Comment #5 from github-bugzilla at puremagic.com ---
Commit pushed to revert-7416-fix18053 at https://github.com/dlang/dmd

https://github.com/dlang/dmd/commit/472106c3f902b9f83f6f94b4a85e6f1ebcfecec9
Revert "fix Issue 18053 - Use stdint.h mangling for int64_t/uint64_t when man…"

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