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Summary

  1. [libc++] Fix linker script generation (details)
Commit 34a3b24a90c6f1886968a8bf6159329995696c77 by phosek
[libc++] Fix linker script generation
Handle the case when libc++abi and libunwind are being built together
with libc++ in the runtimes build. This logic was used in the previous
implementation but dropped in r374116.
Differential Revision: https://reviews.llvm.org/D68791
llvm-svn: 374510
The file was modifiedlibcxx/cmake/Modules/DefineLinkerScript.cmake