[Issue 21473] DMD enters infinite loop

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21473
Issue 21473 depends on issue 21702, which changed state.

Issue 21702 Summary: avoid quadratic template expansion in constraints of multiple search term versions of std.algorithm.searching.startsWith & endsWith
https://issues.dlang.org/show_bug.cgi?id=21702

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

--