Migrate CodeGen/2009-09-24-SqrtErrno.c from test/FrontendC with changes to avoid header inclusions.
Migrate CodeGen/2009-09-24-SqrtErrno.c from test/FrontendC with changes
to avoid header inclusions.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@136128 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang