Subzero: Add locking to prepare for multithreaded translation.

src/IceDefs.h

 //===- subzero/src/IceDefs.h - Common Subzero declaraions -------*- 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 various useful types and classes that have
@@ skipping 94 matching lines @@
 
 // InstNumberT is for holding an instruction number.  Instruction
 // numbers are used for representing Variable live ranges.
 typedef int32_t InstNumberT;
 
 // A LiveBeginEndMapEntry maps a Variable::Number value to an
 // Inst::Number value, giving the instruction number that begins or
 // ends a variable's live range.
 typedef std::pair<SizeT, InstNumberT> LiveBeginEndMapEntry;
 typedef std::vector<LiveBeginEndMapEntry,
-                    CfgLocalAllocator<LiveBeginEndMapEntry> > LiveBeginEndMap;
+                    CfgLocalAllocator<LiveBeginEndMapEntry>> LiveBeginEndMap;
 typedef llvm::BitVector LivenessBV;
 
 typedef uint32_t TimerStackIdT;
 typedef uint32_t TimerIdT;
 
 // PNaCl is ILP32, so theoretically we should only need 32-bit offsets.
 typedef int32_t RelocOffsetT;
 enum { RelocAddrSize = 4 };
 
 enum LivenessMode {
@@ skipping 43 matching lines @@
   return llvm::make_range(Container.rbegin(), Container.rend());
 }
 template <typename T>
 llvm::iterator_range<typename T::reverse_iterator> reverse_range(T &Container) {
   return llvm::make_range(Container.rbegin(), Container.rend());
 }
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEDEFS_H