fix PR3579: __LINE__ expands to the presumed location of the  *end* of a macro instantiation, not the start of it.  This is really all about bug-for-bug compatibility with GCC, but not doing this breaks the FreeBSD kernel.
fix PR3579: __LINE__ expands to the presumed location of the 
*end* of a macro instantiation, not the start of it.  This is
really all about bug-for-bug compatibility with GCC, but not
doing this breaks the FreeBSD kernel.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@64603 91177308-0d34-0410-b5e6-96231b3b80d8

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