When building constant structs, check if the resulting LLVM struct will be bigger than the record layout size and use a packed struct if that's the case. Fixes PR5108.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83230 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed