[PATCH] D55965: cmake: Don't install plugins used for examples or tests

[Peiyuan Song via Phabricator via llvm-commits]

SquallATF added a comment.

`Module libraries are always treated as LIBRARY targets.` via https://cmake.org/cmake/help/v3.0/command/install.html, but D51748 <https://reviews.llvm.org/D51748> marked as `RUNTIME` targets when build with mingw


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55965/new/

https://reviews.llvm.org/D55965