[PATCH] D83622: document -fpch-instantiate-templates in release notes

[Luboš Luňák via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGd1ca9960bc19: document -fpch-instantiate-templates in release notes (authored by llunak).
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83622/new/

https://reviews.llvm.org/D83622

Files:
  clang/docs/ReleaseNotes.rst


Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -108,6 +108,13 @@
   By default, this is ~/.cache but on some platforms or installations, this
   might be elsewhere. The -fmodules-cache-path=... flag continues to work.
 
+- -fpch-instantiate-templates tries to instantiate templates already while
+  generating a precompiled header. Such templates do not need to be
+  instantiated every time the precompiled header is used, which saves compile
+  time. This may result in an error during the precompiled header generation
+  if the source header file is not self-contained. This option is enabled
+  by default for clang-cl.
+
 Deprecated Compiler Flags
 -------------------------
 


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