From: Richard Guenther <richard.guent...@gmail.com>
Date: Thu, 3 May 2012 11:48:03 +0200

> calls.c is unsafe, too.  Which is probably why making DSE stronger for
> calls using the usual alias predicates did not work.

Well, when calls.c does something more sophisticated we can do similarly
for cases like sparc's libcalls.

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