Make strcat() and strncat() more standard-compliant (check for invalid parameters even if zero bytes is copied, more accurate overlap check)
Fix the tests that were relying on the incorrect behavior.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@161167 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed