Use -fno-math-errno by default, and remove the IsMathErrnoDefault
targethook, which is no longer being used. This fixes PR5971.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92987 91177308-0d34-0410-b5e6-96231b3b80d8
10 files changed