[DebugInfo] Remove ambiguity to fix Windows bots
[DebugInfo] Remove ambiguity to fix Windows bots

Should fix the MSVC bots by explicitly invoking
llvm::make_reverse_iterator to remove ambiguity with
std::make_reverse_iterator.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@338511 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 122a371c30afadaad9d90e0a71e71015389b23e2)

apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm