Don't use isBarrier for the PowerPC sync instruction. isBarrier is for control barriers, not memory ordering barriers.
Don't use isBarrier for the PowerPC sync instruction. isBarrier is for
control barriers, not memory ordering barriers.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@103777 91177308-0d34-0410-b5e6-96231b3b80d8

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