Make ARM RegNames[] static like X86 (no ARM syms in X86-only build).

src/IceTargetLoweringMIPS32.cpp

 //===- subzero/src/IceTargetLoweringMIPS32.cpp - MIPS32 lowering ----------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 202 matching lines @@
   }
 }
 
 bool TargetMIPS32::doBranchOpt(Inst *I, const CfgNode *NextNode) {
   (void)I;
   (void)NextNode;
   UnimplementedError(Func->getContext()->getFlags());
   return false;
 }
 
-IceString TargetMIPS32::RegNames[] = {
-#define X(val, encode, name, scratch, preserved, stackptr, frameptr, isInt,    \
-          isFP)                                                                \
-  name,
-    REGMIPS32_TABLE
-#undef X
-};
-
 IceString TargetMIPS32::getRegName(SizeT RegNum, Type Ty) const {
   assert(RegNum < RegMIPS32::Reg_NUM);
   (void)Ty;
+  static const char *RegNames[] = {
+#define X(val, encode, name, scratch, preserved, stackptr, frameptr, isInt,    \
+          isFP)                                                                \
+  name,
+      REGMIPS32_TABLE
+#undef X
+  };
   return RegNames[RegNum];
 }
 
 Variable *TargetMIPS32::getPhysicalRegister(SizeT RegNum, Type Ty) {
   if (Ty == IceType_void)
     Ty = IceType_i32;
   if (PhysicalRegisters[Ty].empty())
     PhysicalRegisters[Ty].resize(RegMIPS32::Reg_NUM);
   assert(RegNum < PhysicalRegisters[Ty].size());
   Variable *Reg = PhysicalRegisters[Ty][RegNum];
@@ skipping 466 matching lines @@
 void TargetDataMIPS32::lowerConstants() {
   if (Ctx->getFlags().getDisableTranslation())
     return;
   UnimplementedError(Ctx->getFlags());
 }
 
 TargetHeaderMIPS32::TargetHeaderMIPS32(GlobalContext *Ctx)
     : TargetHeaderLowering(Ctx) {}
 
 } // end of namespace Ice