https://issues.dlang.org/show_bug.cgi?id=18240
--- Comment #1 from github-bugzi...@puremagic.com --- Commits pushed to master at https://github.com/dlang/druntime https://github.com/dlang/druntime/commit/2bc68a917905faa89eb9b6458dc52b0cdf992ea4 Fix Issue 18240 - core.stdc.wchar_ wmemset, etc. should be pure Also regularize qualifiers to match core.stdc.string. https://github.com/dlang/druntime/commit/c5b2777dd05b676c001677a808a60d352d43e6a2 Merge pull request #2043 from n8sh/wmemset-pure Fix Issue 18240 - core.stdc.wchar_ wmemset, etc. should be pure merged-on-behalf-of: Iain Buclaw <ibuc...@gdcproject.org> --