November 11, 2016
https://issues.dlang.org/show_bug.cgi?id=16680

          Issue ID: 16680
           Summary: dmd doesn't use dritime optimized versions of
                    substraction array operations
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: regression
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: olegus13@gmail.com

DMD generates function name for substract array operations that differs from from name in drintime library.

Eg.
a[] = b[] - c[];

DMD version _arraySliceSliceSubSliceAssign_i
drintime    _arraySliceSliceMinSliceAssign_i

I found, that substract operation name was changed in 'arrayop.c' from "Min" to "Sub", see patch https://github.com/dlang/dmd/commit/c5297b8ba310029438dc332152ec173a7387fead (22 Jun 2013).

This new name migrated to newly written code 'arrayop.d'

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