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d74b9a1 breaks ARM build (gcc 4.6)

From: Leif Lindholm
Subject: d74b9a1 breaks ARM build (gcc 4.6)
Date: Mon, 2 Dec 2013 19:30:20 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

Commit d74b9a1, "Ensure that -mno-unaligned-access or some equivalent
option is used.", breaks the configure step on my Debian Jessie, with
a default 4.6.4 toolchain:
"configure: error: couldnt instruct compiler not to use unaligned access"

Where -mno-unalignes-access is not supported by gcc, it does not
generate unaligned instructions. Was this inserted for llvm? If so, what
was the fault this was fixing?


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