[libclang] Introduce use of CINDEXTEST_FAILONERROR environment variable which, if set, will cause c-index-test to return as failed if a compiler error occurred.
[libclang] Introduce use of CINDEXTEST_FAILONERROR environment variable which, if set,
will cause c-index-test to return as failed if a compiler error occurred.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@143243 91177308-0d34-0410-b5e6-96231b3b80d8

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