StmtPrinter: Print floating point literals with the right suffix to disambiguate them from integers.

Based on a patch by Olaf Krzikalla, UDL fixes by me.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164303 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed