Chris Lattner fedac7d9b0 when merging two alias sets, the result set is volatile if either ...

of the sets is volatile.  We were dropping the volatile bit of the
merged in set, leading (luckily) to assertions in cases like 
PR7535.  I cannot produce a testcase that repros with opt, but this
is obviously correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112402 91177308-0d34-0410-b5e6-96231b3b80d8

2010-08-29 04:14:47 +00:00

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