Switch -Wreturn-type to completely rely on the CFG model of no-return.
This deletes a bunch of crufty code, and allows more logic sharing
between the analyzer and the warnings.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139594 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed