Minor cleanups (mainly indentation).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47955 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Analysis/LiveVariables.cpp b/Analysis/LiveVariables.cpp
index 52f7f4d..9515cb8 100644
--- a/Analysis/LiveVariables.cpp
+++ b/Analysis/LiveVariables.cpp
@@ -86,7 +86,8 @@
     AD.Observer->ObserveStmt(S,AD,LiveState);
   
   if (S == getCurrentBlkStmt()) {
-    if (getCFG().isBlkExpr(S)) LiveState(S,AD) = Dead;
+    assert (!isa<Expr>(S) || getCFG().isBlkExpr(S));
+    if (isa<Expr>(S)) LiveState(S,AD) = Dead;
     StmtVisitor<TransferFuncs,void>::Visit(S);
   }
   else if (!getCFG().isBlkExpr(S))