Don't drop attributes when inlining through "deopt" operand bundles

Test case attached (test case also checks that we don't drop the calling
convention, but that functionality was correct before this patch).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255088 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed