Simon Sapin 59acba3570 servo: Merge #15564 - Disable LLVM assertions by default, on supported platforms (from servo:no-gods-no-masters-no-assertions); r=Ms2ger
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https://github.com/servo/servo/pull/15559#issuecomment-280003926

> With an empty incremental compilation cache (or, presumably, with incremental compilation disabled), LLVM assertions add 16% to the compilation time in debug mode, 53% (!) in release mode.

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #15548 (github issue number if applicable).

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- [ ] There are tests for these changes OR
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Source-Repo: https://github.com/servo/servo
Source-Revision: 1afae52c47e754c6573f4a8b72fcc2e6994d253f

--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 7cbc302040099b6b6d0b09d6322b618b26ba61ac
2017-02-17 02:04:44 -08:00
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