Subzero: Use a "known" version of clang-format.

src/IceCfg.h

 //===- subzero/src/IceCfg.h - Control flow graph ----------------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the Cfg class, which represents the control flow
@@ skipping 77 matching lines @@
   // to avoid embedding a std::string inside an arena-allocated
   // object.
   IdentifierIndexType addIdentifierName(const IceString &Name) {
     IdentifierIndexType Index = IdentifierNames.size();
     IdentifierNames.push_back(Name);
     return Index;
   }
   const IceString &getIdentifierName(IdentifierIndexType Index) const {
     return IdentifierNames[Index];
   }
-  enum {
-    IdentifierIndexInvalid = -1
-  };
+  enum { IdentifierIndexInvalid = -1 };
 
   // Manage instruction numbering.
   InstNumberT newInstNumber() { return NextInstNumber++; }
   InstNumberT getNextInstNumber() const { return NextInstNumber; }
 
   // Manage Variables.
   // Create a new Variable with a particular type and an optional
   // name.  The Node argument is the node where the variable is defined.
   template <typename T = Variable> T *makeVariable(Type Ty) {
     SizeT Index = Variables.size();
@@ skipping 83 matching lines @@
   Type ReturnType;
   bool IsInternalLinkage;
   bool HasError;
   bool FocusedTiming;
   IceString ErrorMessage;
   CfgNode *Entry; // entry basic block
   NodeList Nodes; // linearized node list; Entry should be first
   std::vector<IceString> IdentifierNames;
   InstNumberT NextInstNumber;
   VarList Variables;
-  VarList Args; // subset of Variables, in argument order
+  VarList Args;         // subset of Variables, in argument order
   VarList ImplicitArgs; // subset of Variables
   std::unique_ptr<ArenaAllocator<>> Allocator;
   std::unique_ptr<Liveness> Live;
   std::unique_ptr<TargetLowering> Target;
   std::unique_ptr<VariablesMetadata> VMetadata;
   std::unique_ptr<Assembler> TargetAssembler;
 
   // CurrentNode is maintained during dumping/emitting just for
   // validating Variable::DefNode.  Normally, a traversal over
   // CfgNodes maintains this, but before global operations like
   // register allocation, resetCurrentNode() should be called to avoid
   // spurious validation failures.
   const CfgNode *CurrentNode;
 
   // Maintain a pointer in TLS to the current Cfg being translated.
   // This is primarily for accessing its allocator statelessly, but
   // other uses are possible.
   ICE_TLS_DECLARE_FIELD(const Cfg *, CurrentCfg);
 
 public:
   static void TlsInit() { ICE_TLS_INIT_FIELD(CurrentCfg); }
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICECFG_H