clang-p2996

Files

Douglas Yung 1d763f3833 Revert "Modify the localCache API to require an explicit commit on CachedFile… (#115331 )"

This reverts commit ce9e1d3c15.

The unittest added in this commit seems to be flaky causing random failure on buildbots:
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13235
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13232
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13228
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13224
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13220
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13210
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13208
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13207
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13202
 - https://lab.llvm.org/buildbot/#/builders/46/builds/13196
and
 - https://lab.llvm.org/buildbot/#/builders/180/builds/14266
 - https://lab.llvm.org/buildbot/#/builders/180/builds/14254
 - https://lab.llvm.org/buildbot/#/builders/180/builds/14250
 - https://lab.llvm.org/buildbot/#/builders/180/builds/14245
 - https://lab.llvm.org/buildbot/#/builders/180/builds/14244
 - https://lab.llvm.org/buildbot/#/builders/180/builds/14226