ExplodedGraph::shouldCollectNode() should not collect nodes for non-Expr Stmts (as this previously was the case before this was refactored).  We also shouldn't need to specially handle BinaryOperators since the eagerly-assume heuristic tags such nodes.
ExplodedGraph::shouldCollectNode() should not collect nodes for non-Expr Stmts
(as this previously was the case before this was refactored).  We also shouldn't
need to specially handle BinaryOperators since the eagerly-assume heuristic tags
such nodes.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@163374 91177308-0d34-0410-b5e6-96231b3b80d8

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