[Bug middle-end/93919] [10 Regression] vectorization of 18 char to char16_t conversion is miscompiled

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93919
Bug 93919 depends on bug 93843, which changed state.

Bug 93843 Summary: [10 Regression] wrong code at -O3 on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93843

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED