Make EmitAggregateCopy take an alignment argument.  Make EmitFinalDestCopy pass in the correct alignment when known.

The test includes a FIXME for a related case involving calls; it's a bit more complicated to fix because the RValue class doesn't keep track of alignment.

<rdar://problem/10463337>
  


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145862 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed