Subzero: Use C++11 member initializers where practical.

src/IceInst.cpp

 //===- subzero/src/IceInst.cpp - High-level instruction implementation ----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the Inst class, primarily the various
@@ skipping 52 matching lines @@
 #define X(tag, str)                                                            \
   { str }                                                                      \
   ,
     ICEINSTICMP_TABLE
 #undef X
 };
 
 } // end of anonymous namespace
 
 Inst::Inst(Cfg *Func, InstKind Kind, SizeT MaxSrcs, Variable *Dest)
-    : Kind(Kind), Number(Func->newInstNumber()), Deleted(false), Dead(false),
-      HasSideEffects(false), IsDestNonKillable(false), Dest(Dest),
-      MaxSrcs(MaxSrcs), NumSrcs(0),
+    : Kind(Kind), Number(Func->newInstNumber()), Dest(Dest), MaxSrcs(MaxSrcs),
       Srcs(Func->allocateArrayOf<Operand *>(MaxSrcs)), LiveRangesEnded(0) {}
 
 // Assign the instruction a new number.
 void Inst::renumber(Cfg *Func) {
   Number = isDeleted() ? NumberDeleted : Func->newInstNumber();
 }
 
 // Delete the instruction if its tentative Dead flag is still set
 // after liveness analysis.
 void Inst::deleteIfDead() {
@@ skipping 849 matching lines @@
     // preserve these.
     return true;
   }
   if (!Dest->hasReg() && !SrcVar->hasReg() &&
       Dest->getStackOffset() == SrcVar->getStackOffset())
     return true;
   return false;
 }
 
 } // end of namespace Ice