ctx_profile
This reverts commit 8b2ba6a144e728ee4116e2804e9b5aed8824e726. The uild errors (see below) were likely due to the same issue PR #88074 fixed. Addressed by following that PR. https://lab.llvm.org/buildbot/#/builders/165/builds/52789 https://lab.llvm.org/buildbot/#/builders/91/builds/25273
Reverts llvm/llvm-project#89304 Some build bot failures - will fix and reland. Example: https://lab.llvm.org/buildbot/#/builders/165/builds/52789
Add the component structure for contextual instrumented PGO and the bump allocator + test. (Tracking Issue: #89287, RFC referenced there)