Cleans up a few details.

Author: vinivendra

lib/AST/ASTDumper.cpp

@@ -1385,7 +1385,7 @@ void Pattern::dump() const {
 //===----------------------------------------------------------------------===//
 
 namespace {
-/// PrintStmt - Visitor implementation of Expr::dump.
+/// PrintStmt - Visitor implementation of Stmt::dump.
 class PrintStmt : public StmtVisitor<PrintStmt> {
 public:
   raw_ostream &OS;

lib/SILGen/SILGen.cpp

@@ -659,8 +659,7 @@ void SILGenModule::preEmitFunction(SILDeclRef constant,
              if (astNode) {
                if (auto *decl = astNode.dyn_cast<ValueDecl *>()) {
                  decl->dump(llvm::dbgs());
-               }
-               else {
+               } else {
                  astNode.get<Expr *>()->dump(llvm::dbgs());
                  llvm::dbgs() << "\n";
                }