[PATCH] D124242: [Frontend] shrink in-memory PCH buffers to fit

This revision was landed with ongoing or failed builds. This revision was automatically updated to reflect the committed changes. Closed by commit rG00f0c805ff7c: [Frontend] shrink in-memory PCH buffers to fit (authored by sammccall). Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTI

[PATCH] D124242: [Frontend] shrink in-memory PCH buffers to fit

sammccall created this revision. sammccall added a reviewer: kadircet. Herald added a project: All. sammccall requested review of this revision. Herald added a project: clang. Herald added a subscriber: cfe-commits. After building a PCH, the vector capacity is on average ~1/3 unused. If we're goin