[PATCH] D51314: Parse compile commands lazily in InterpolatingCompilationDatabase

[Ilya Biryukov via Phabricator via cfe-commits]

ilya-biryukov created this revision.
ilya-biryukov added a reviewer: sammccall.
Herald added a subscriber: jfb.

This greatly reduces the time to read 'compile_commands.json'.
For Chromium on my machine it's now 5 secs vs 30 secs before the
change.


Repository:
  rC Clang

https://reviews.llvm.org/D51314

Files:
  lib/Tooling/InterpolatingCompilationDatabase.cpp

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