Merging r314107:

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r314107 | sylvestre | 2017-09-25 07:08:35 -0700 (Mon, 25 Sep 2017) | 9 lines

Fix clangd when built with LLVM_LINK_LLVM_DYLIB=ON

Reviewers: malaperle, malaperle-ericsson, bkramer

Reviewed By: bkramer

Subscribers: bkramer, mgorny, ilya-biryukov, cfe-commits

Differential Revision: https://reviews.llvm.org/D38228
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llvm-svn: 319846