[Issue 18300] core.demangle demangling of really long symbol fails

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18300

--- Comment #4 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/dlang/druntime

https://github.com/dlang/druntime/commit/8b8754d77faa2d02186c9991f5ec9b23d67db280
fix issue 18300: range error with long symbol

https://github.com/dlang/druntime/commit/93cfe87c60b8972892b9d3b9bb3fb1354ab96f25
Merge pull request #2062 from rainers/issue18300

fix issue 18300: range error demangling long symbol

--