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[LangRef] Clarify alloca of zero bytes.
authorEli Friedman <efriedma@codeaurora.org>
Wed, 11 Jul 2018 00:02:01 +0000 (00:02 +0000)
committerEli Friedman <efriedma@codeaurora.org>
Wed, 11 Jul 2018 00:02:01 +0000 (00:02 +0000)
commitca52117265230e7d33849c9cd213f359a9d8eb4d
tree9b6e4ad752408f5ab127cc7509f6e7d5a8e153b7
parent43b8da3b5b43fc1e89743e737da2107f178e7e76
[LangRef] Clarify alloca of zero bytes.

Let's be conservative here; it matches what we actually implemented, and
it should be rare in practice anyway.

Differential Revision: https://reviews.llvm.org/D49042

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336744 91177308-0d34-0410-b5e6-96231b3b80d8
docs/LangRef.rst