tree 8fc9ea1153cf20a18c46e5a8422630f50469b2be
parent 578bd48dd3197ab3985552ec89f3e70501f878f7
author Greg Clayton <gclayton@fb.com> 1659040301 -0700
committer Copybara-Service <copybara-worker@google.com> 1659041168 -0700

Cache the value for absolute path in FileSpec.

Checking if a path is absolute can be expensive and currently the result is not cached in the FileSpec object. This patch adds caching and also code to clear the cache if the file is modified.

Differential Revision: https://reviews.llvm.org/D130396

GitOrigin-RevId: dc0f452e85e572f1e824c1eb3cdaa060d326f0c3