LangRef: note that `allockind("free")` requires void return
authorAugie Fackler <augie@google.com>
Tue, 26 Jul 2022 13:59:21 +0000 (09:59 -0400)
committerAugie Fackler <augie@google.com>
Tue, 26 Jul 2022 14:10:14 +0000 (10:10 -0400)
commit63b15823505aed9870e797ab8562bbee1a701172
tree0e5d04190ccab43a8f84c77f752aa78e5ea113af
parenta41ddf178eac21ab259b48acb6d41e852ee4abaa
LangRef: note that `allockind("free")` requires void return

Otherwise we have to work pretty hard to ensure a discarded alloc/free
pair doesn't remove a return value that's still useful.

Differential Revision: https://reviews.llvm.org/D130568
llvm/docs/LangRef.rst