[NFC] Rename Sema.FPFeatures to CurFPFeatures and accessor to getCurFPFeatures

[mibintc]

Summary

Companion patch to reviews.llvm.org/D76384 this patch renames 2 identifiers

[mibintc]

not needed

clang/include/clang/Sema/Sema.h

public:
   static const unsigned MaxAlignmentExponent = 29;
   static const unsigned MaximumAlignment = 1u << MaxAlignmentExponent;
 
   typedef OpaquePtr<DeclGroupRef> DeclGroupPtrTy;
   typedef OpaquePtr<TemplateName> TemplateTy;
   typedef OpaquePtr<QualType> TypeTy;
 
   OpenCLOptions OpenCLFeatures;
-  FPOptions FPFeatures;
+  FPOptions CurFPFeatures;
 
   const LangOptions &LangOpts;
   Preprocessor &PP;
   ASTContext &Context;
   ASTConsumer &Consumer;
   DiagnosticsEngine &Diags;
   SourceManager &SourceMgr;
 
public:
   /// emitted. This is closely coupled to the SemaDiagnosticBuilder class and
   /// should not be used elsewhere.
   void EmitCurrentDiagnostic(unsigned DiagID);
 
   /// Records and restores the FPFeatures state on entry/exit of compound
   /// statements.
   class FPFeaturesStateRAII {
   public:
-    FPFeaturesStateRAII(Sema &S) : S(S), OldFPFeaturesState(S.FPFeatures) {}
-    ~FPFeaturesStateRAII() { S.FPFeatures = OldFPFeaturesState; }
+    FPFeaturesStateRAII(Sema &S) : S(S), OldFPFeaturesState(S.CurFPFeatures) {}
+    ~FPFeaturesStateRAII() { S.CurFPFeatures = OldFPFeaturesState; }
 
   private:
     Sema& S;
     FPOptions OldFPFeaturesState;
   };
 
   void addImplicitTypedef(StringRef Name, QualType T);
 
   bool WarnedStackExhausted = false;
 
 public:
   Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
        TranslationUnitKind TUKind = TU_Complete,
        CodeCompleteConsumer *CompletionConsumer = nullptr);
   ~Sema();
 
   /// Perform initialization that occurs after the parser has been
   /// initialized but before it parses anything.
   void Initialize();
 
   const LangOptions &getLangOpts() const { return LangOpts; }
   OpenCLOptions &getOpenCLOptions() { return OpenCLFeatures; }
-  FPOptions     &getFPOptions() { return FPFeatures; }
+  FPOptions     &getCurFPFeatures() { return CurFPFeatures; }
 
   DiagnosticsEngine &getDiagnostics() const { return Diags; }
   SourceManager &getSourceManager() const { return SourceMgr; }
   Preprocessor &getPreprocessor() const { return PP; }
   ASTContext &getASTContext() const { return Context; }
   ASTConsumer &getASTConsumer() const { return Consumer; }
   ASTMutationListener *getASTMutationListener() const;
   ExternalSemaSource* getExternalSource() const { return ExternalSource; }

clang/lib/Sema/Sema.cpp

 } // end namespace clang
 
 const unsigned Sema::MaxAlignmentExponent;
 const unsigned Sema::MaximumAlignment;
 
 Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
            TranslationUnitKind TUKind, CodeCompleteConsumer *CodeCompleter)
     : ExternalSource(nullptr), isMultiplexExternalSource(false),
-      FPFeatures(pp.getLangOpts()), LangOpts(pp.getLangOpts()), PP(pp),
+      CurFPFeatures(pp.getLangOpts()), LangOpts(pp.getLangOpts()), PP(pp),
       Context(ctxt), Consumer(consumer), Diags(PP.getDiagnostics()),
       SourceMgr(PP.getSourceManager()), CollectStats(false),
       CodeCompleter(CodeCompleter), CurContext(nullptr),
       OriginalLexicalContext(nullptr), MSStructPragmaOn(false),
       MSPointerToMemberRepresentationMethod(
           LangOpts.getMSPointerToMemberRepresentationMethod()),
       VtorDispStack(LangOpts.getVtorDispMode()), PackStack(0),
       DataSegStack(nullptr), BSSSegStack(nullptr), ConstSegStack(nullptr),

clang/lib/Sema/SemaAttr.cpp

void Sema::ActOnPragmaVisibility(const IdentifierInfo* VisType,
   } else {
     PopPragmaVisibility(false, PragmaLoc);
   }
 }
 
 void Sema::ActOnPragmaFPContract(LangOptions::FPContractModeKind FPC) {
   switch (FPC) {
   case LangOptions::FPC_On:
-    FPFeatures.setAllowFPContractWithinStatement();
+    CurFPFeatures.setAllowFPContractWithinStatement();
     break;
   case LangOptions::FPC_Fast:
-    FPFeatures.setAllowFPContractAcrossStatement();
+    CurFPFeatures.setAllowFPContractAcrossStatement();
     break;
   case LangOptions::FPC_Off:
-    FPFeatures.setDisallowFPContract();
+    CurFPFeatures.setDisallowFPContract();
     break;
   }
 }
 
 void Sema::setRoundingMode(llvm::RoundingMode FPR) {
-  FPFeatures.setRoundingMode(FPR);
+  CurFPFeatures.setRoundingMode(FPR);
 }
 
 void Sema::setExceptionMode(LangOptions::FPExceptionModeKind FPE) {
-  FPFeatures.setExceptionMode(FPE);
+  CurFPFeatures.setExceptionMode(FPE);
 }
 
 void Sema::ActOnPragmaFEnvAccess(LangOptions::FEnvAccessModeKind FPC) {
   switch (FPC) {
   case LangOptions::FEA_On:
-    FPFeatures.setAllowFEnvAccess();
+    CurFPFeatures.setAllowFEnvAccess();
     break;
   case LangOptions::FEA_Off:
-    FPFeatures.setDisallowFEnvAccess();
+    CurFPFeatures.setDisallowFEnvAccess();
     break;
   }
 }
 
 
 void Sema::PushNamespaceVisibilityAttr(const VisibilityAttr *Attr,
                                        SourceLocation Loc) {
   // Visibility calculations will consider the namespace's visibility.

clang/lib/Sema/SemaDeclCXX.cpp

if (Copy.isInvalid() || !Copy.get())
     return Copy;
 
   // Create the comparison against the array bound.
   llvm::APInt Upper
     = ArrayTy->getSize().zextOrTrunc(S.Context.getTypeSize(SizeType));
   Expr *Comparison = BinaryOperator::Create(
       S.Context, IterationVarRefRVal.build(S, Loc),
       IntegerLiteral::Create(S.Context, Upper, SizeType, Loc), BO_NE,
-      S.Context.BoolTy, VK_RValue, OK_Ordinary, Loc, S.FPFeatures);
+      S.Context.BoolTy, VK_RValue, OK_Ordinary, Loc, S.CurFPFeatures);
 
   // Create the pre-increment of the iteration variable. We can determine
   // whether the increment will overflow based on the value of the array
   // bound.
   Expr *Increment = new (S.Context)
       UnaryOperator(IterationVarRef.build(S, Loc), UO_PreInc, SizeType,
                     VK_LValue, OK_Ordinary, Loc, Upper.isMaxValue());
 

clang/lib/Sema/SemaExpr.cpp

ExprResult Sema::CreateBuiltinBinOp(SourceLocation OpLoc,
   else if (const ObjCIvarRefExpr *OIRE =
            dyn_cast<ObjCIvarRefExpr>(LHS.get()->IgnoreParenCasts()))
     DiagnoseDirectIsaAccess(*this, OIRE, OpLoc, RHS.get());
 
   // Opc is not a compound assignment if CompResultTy is null.
   if (CompResultTy.isNull()) {
     if (ConvertHalfVec)
       return convertHalfVecBinOp(*this, LHS, RHS, Opc, ResultTy, VK, OK, false,
-                                 OpLoc, FPFeatures);
+                                 OpLoc, CurFPFeatures);
     return BinaryOperator::Create(Context, LHS.get(), RHS.get(), Opc, ResultTy,
-                                  VK, OK, OpLoc, FPFeatures);
+                                  VK, OK, OpLoc, CurFPFeatures);
   }
 
   // Handle compound assignments.
   if (getLangOpts().CPlusPlus && LHS.get()->getObjectKind() !=
       OK_ObjCProperty) {
     VK = VK_LValue;
     OK = LHS.get()->getObjectKind();
   }
 
   if (ConvertHalfVec)
     return convertHalfVecBinOp(*this, LHS, RHS, Opc, ResultTy, VK, OK, true,
-                               OpLoc, FPFeatures);
+                               OpLoc, CurFPFeatures);
 
   return CompoundAssignOperator::Create(Context, LHS.get(), RHS.get(), Opc,
-                                        ResultTy, VK, OK, OpLoc, FPFeatures,
+                                        ResultTy, VK, OK, OpLoc, CurFPFeatures,
                                         CompLHSTy, CompResultTy);
 }
 
 /// DiagnoseBitwisePrecedence - Emit a warning when bitwise and comparison
 /// operators are mixed in a way that suggests that the programmer forgot that
 /// comparison operators have higher precedence. The most typical example of
 /// such code is "flags & 0x0020 != 0", which is equivalent to "flags & 1".
 static void DiagnoseBitwisePrecedence(Sema &Self, BinaryOperatorKind Opc,

clang/lib/Sema/SemaOverload.cpp

if (Fns.empty())
                                          VK_RValue, OK_Ordinary, OpLoc, false);
 
     CXXRecordDecl *NamingClass = nullptr; // lookup ignores member operators
     UnresolvedLookupExpr *Fn = UnresolvedLookupExpr::Create(
         Context, NamingClass, NestedNameSpecifierLoc(), OpNameInfo,
         /*ADL*/ true, IsOverloaded(Fns), Fns.begin(), Fns.end());
     return CXXOperatorCallExpr::Create(Context, Op, Fn, ArgsArray,
                                        Context.DependentTy, VK_RValue, OpLoc,
-                                       FPFeatures);
+                                       CurFPFeatures);
   }
 
   // Build an empty overload set.
   OverloadCandidateSet CandidateSet(OpLoc, OverloadCandidateSet::CSK_Operator);
 
   // Add the candidates from the given function set.
   AddNonMemberOperatorCandidates(Fns, ArgsArray, CandidateSet);
 
if (FnDecl) {
 
       // Determine the result type.
       QualType ResultTy = FnDecl->getReturnType();
       ExprValueKind VK = Expr::getValueKindForType(ResultTy);
       ResultTy = ResultTy.getNonLValueExprType(Context);
 
       Args[0] = Input;
       CallExpr *TheCall = CXXOperatorCallExpr::Create(
-          Context, Op, FnExpr.get(), ArgsArray, ResultTy, VK, OpLoc, FPFeatures,
-          Best->IsADLCandidate);
+          Context, Op, FnExpr.get(), ArgsArray, ResultTy, VK, OpLoc,
+          CurFPFeatures, Best->IsADLCandidate);
 
       if (CheckCallReturnType(FnDecl->getReturnType(), OpLoc, TheCall, FnDecl))
         return ExprError();
 
       if (CheckFunctionCall(FnDecl, TheCall,
                             FnDecl->getType()->castAs<FunctionProtoType>()))
         return ExprError();
       return CheckForImmediateInvocation(MaybeBindToTemporary(TheCall), FnDecl);
ExprResult Sema::CreateOverloadedBinOp(SourceLocation OpLoc,
   // expression.
   if (Args[0]->isTypeDependent() || Args[1]->isTypeDependent()) {
     if (Fns.empty()) {
       // If there are no functions to store, just build a dependent
       // BinaryOperator or CompoundAssignment.
       if (Opc <= BO_Assign || Opc > BO_OrAssign)
         return BinaryOperator::Create(Context, Args[0], Args[1], Opc,
                                       Context.DependentTy, VK_RValue,
-                                      OK_Ordinary, OpLoc, FPFeatures);
+                                      OK_Ordinary, OpLoc, CurFPFeatures);
       return CompoundAssignOperator::Create(
           Context, Args[0], Args[1], Opc, Context.DependentTy, VK_LValue,
-          OK_Ordinary, OpLoc, FPFeatures, Context.DependentTy,
+          OK_Ordinary, OpLoc, CurFPFeatures, Context.DependentTy,
           Context.DependentTy);
     }
 
     // FIXME: save results of ADL from here?
     CXXRecordDecl *NamingClass = nullptr; // lookup ignores member operators
     // TODO: provide better source location info in DNLoc component.
     DeclarationName OpName = Context.DeclarationNames.getCXXOperatorName(Op);
     DeclarationNameInfo OpNameInfo(OpName, OpLoc);
     UnresolvedLookupExpr *Fn = UnresolvedLookupExpr::Create(
         Context, NamingClass, NestedNameSpecifierLoc(), OpNameInfo,
         /*ADL*/ PerformADL, IsOverloaded(Fns), Fns.begin(), Fns.end());
     return CXXOperatorCallExpr::Create(Context, Op, Fn, Args,
                                        Context.DependentTy, VK_RValue, OpLoc,
-                                       FPFeatures);
+                                       CurFPFeatures);
   }
 
   // Always do placeholder-like conversions on the RHS.
   if (checkPlaceholderForOverload(*this, Args[1]))
     return ExprError();
 
   // Do placeholder-like conversion on the LHS; note that we should
   // not get here with a PseudoObject LHS.
case OR_Success: {
 
         // Determine the result type.
         QualType ResultTy = FnDecl->getReturnType();
         ExprValueKind VK = Expr::getValueKindForType(ResultTy);
         ResultTy = ResultTy.getNonLValueExprType(Context);
 
         CXXOperatorCallExpr *TheCall = CXXOperatorCallExpr::Create(
             Context, ChosenOp, FnExpr.get(), Args, ResultTy, VK, OpLoc,
-            FPFeatures, Best->IsADLCandidate);
+            CurFPFeatures, Best->IsADLCandidate);
 
         if (CheckCallReturnType(FnDecl->getReturnType(), OpLoc, TheCall,
                                 FnDecl))
           return ExprError();
 
         ArrayRef<const Expr *> ArgsArray(Args, 2);
         const Expr *ImplicitThis = nullptr;
         // Cut off the implicit 'this'.
for (; I >= 0; --I) {
     }
   }
 
   // Build a PseudoObjectExpr to model the rewriting of an <=> operator, and to
   // bind the OpaqueValueExprs before they're (repeatedly) used.
   Expr *SyntacticForm = BinaryOperator::Create(
       Context, OrigLHS, OrigRHS, BO_Cmp, Result.get()->getType(),
       Result.get()->getValueKind(), Result.get()->getObjectKind(), OpLoc,
-      FPFeatures);
+      CurFPFeatures);
   Expr *SemanticForm[] = {LHS, RHS, Result.get()};
   return PseudoObjectExpr::Create(Context, SyntacticForm, SemanticForm, 2);
 }
 
 ExprResult
 Sema::CreateOverloadedArraySubscriptExpr(SourceLocation LLoc,
                                          SourceLocation RLoc,
                                          Expr *Base, Expr *Idx) {
UnresolvedLookupExpr *Fn
                                      NestedNameSpecifierLoc(), OpNameInfo,
                                      /*ADL*/ true, /*Overloaded*/ false,
                                      UnresolvedSetIterator(),
                                      UnresolvedSetIterator());
     // Can't add any actual overloads yet
 
     return CXXOperatorCallExpr::Create(Context, OO_Subscript, Fn, Args,
                                        Context.DependentTy, VK_RValue, RLoc,
-                                       FPFeatures);
+                                       CurFPFeatures);
   }
 
   // Handle placeholders on both operands.
   if (checkPlaceholderForOverload(*this, Args[0]))
     return ExprError();
   if (checkPlaceholderForOverload(*this, Args[1]))
     return ExprError();
 
case OR_Success: {
 
         // Determine the result type
         QualType ResultTy = FnDecl->getReturnType();
         ExprValueKind VK = Expr::getValueKindForType(ResultTy);
         ResultTy = ResultTy.getNonLValueExprType(Context);
 
         CXXOperatorCallExpr *TheCall =
             CXXOperatorCallExpr::Create(Context, OO_Subscript, FnExpr.get(),
-                                        Args, ResultTy, VK, RLoc, FPFeatures);
+                                        Args, ResultTy, VK, RLoc, CurFPFeatures);
         if (CheckCallReturnType(FnDecl->getReturnType(), LLoc, TheCall, FnDecl))
           return ExprError();
 
         if (CheckFunctionCall(Method, TheCall,
                               Method->getType()->castAs<FunctionProtoType>()))
           return ExprError();
 
         return MaybeBindToTemporary(TheCall);
Sema::BuildCallToObjectOfClassType(Scope *S, Expr *Obj,
 
   // Once we've built TheCall, all of the expressions are properly owned.
   QualType ResultTy = Method->getReturnType();
   ExprValueKind VK = Expr::getValueKindForType(ResultTy);
   ResultTy = ResultTy.getNonLValueExprType(Context);
 
   CXXOperatorCallExpr *TheCall =
       CXXOperatorCallExpr::Create(Context, OO_Call, NewFn.get(), MethodArgs,
-                                  ResultTy, VK, RParenLoc, FPFeatures);
+                                  ResultTy, VK, RParenLoc, CurFPFeatures);
 
   if (CheckCallReturnType(Method->getReturnType(), LParenLoc, TheCall, Method))
     return true;
 
   if (CheckFunctionCall(Method, TheCall, Proto))
     return true;
 
   return CheckForImmediateInvocation(MaybeBindToTemporary(TheCall), Method);
ExprResult FnExpr = CreateFunctionRefExpr(*this, Method, Best->FoundDecl,
                                             Base, HadMultipleCandidates, OpLoc);
   if (FnExpr.isInvalid())
     return ExprError();
 
   QualType ResultTy = Method->getReturnType();
   ExprValueKind VK = Expr::getValueKindForType(ResultTy);
   ResultTy = ResultTy.getNonLValueExprType(Context);
   CXXOperatorCallExpr *TheCall = CXXOperatorCallExpr::Create(
-      Context, OO_Arrow, FnExpr.get(), Base, ResultTy, VK, OpLoc, FPFeatures);
+      Context, OO_Arrow, FnExpr.get(), Base, ResultTy, VK, OpLoc, CurFPFeatures);
 
   if (CheckCallReturnType(Method->getReturnType(), OpLoc, TheCall, Method))
     return ExprError();
 
   if (CheckFunctionCall(Method, TheCall,
                         Method->getType()->castAs<FunctionProtoType>()))
     return ExprError();
 

clang/lib/Sema/SemaPseudoObject.cpp

PseudoOpBuilder::buildAssignmentOperation(Scope *Sc, SourceLocation opcLoc,
 
   Expr *syntactic;
 
   ExprResult result;
   if (opcode == BO_Assign) {
     result = semanticRHS;
     syntactic = BinaryOperator::Create(
         S.Context, syntacticLHS, capturedRHS, opcode, capturedRHS->getType(),
-        capturedRHS->getValueKind(), OK_Ordinary, opcLoc, S.FPFeatures);
+        capturedRHS->getValueKind(), OK_Ordinary, opcLoc, S.CurFPFeatures);
 
   } else {
     ExprResult opLHS = buildGet();
     if (opLHS.isInvalid()) return ExprError();
 
     // Build an ordinary, non-compound operation.
     BinaryOperatorKind nonCompound =
       BinaryOperator::getOpForCompoundAssignment(opcode);
     result = S.BuildBinOp(Sc, opcLoc, nonCompound, opLHS.get(), semanticRHS);
     if (result.isInvalid()) return ExprError();
 
     syntactic = CompoundAssignOperator::Create(
         S.Context, syntacticLHS, capturedRHS, opcode, result.get()->getType(),
-        result.get()->getValueKind(), OK_Ordinary, opcLoc, S.FPFeatures,
+        result.get()->getValueKind(), OK_Ordinary, opcLoc, S.CurFPFeatures,
         opLHS.get()->getType(), result.get()->getType());
   }
 
   // The result of the assignment, if not void, is the value set into
   // the l-value.
   result = buildSet(result.get(), opcLoc, captureSetValueAsResult());
   if (result.isInvalid()) return ExprError();
   addSemanticExpr(result.get());

 
 ExprResult Sema::checkPseudoObjectAssignment(Scope *S, SourceLocation opcLoc,
                                              BinaryOperatorKind opcode,
                                              Expr *LHS, Expr *RHS) {
   // Do nothing if either argument is dependent.
   if (LHS->isTypeDependent() || RHS->isTypeDependent())
     return BinaryOperator::Create(Context, LHS, RHS, opcode,
                                   Context.DependentTy, VK_RValue, OK_Ordinary,
-                                  opcLoc, FPFeatures);
+                                  opcLoc, CurFPFeatures);
 
   // Filter out non-overload placeholder types in the RHS.
   if (RHS->getType()->isNonOverloadPlaceholderType()) {
     ExprResult result = CheckPlaceholderExpr(RHS);
     if (result.isInvalid()) return ExprError();
     RHS = result.get();
   }
 
return new (Context) UnaryOperator(
         uop->getObjectKind(), uop->getOperatorLoc(), uop->canOverflow());
   } else if (CompoundAssignOperator *cop
                = dyn_cast<CompoundAssignOperator>(syntax)) {
     Expr *lhs = stripOpaqueValuesFromPseudoObjectRef(*this, cop->getLHS());
     Expr *rhs = cast<OpaqueValueExpr>(cop->getRHS())->getSourceExpr();
     return CompoundAssignOperator::Create(
         Context, lhs, rhs, cop->getOpcode(), cop->getType(),
         cop->getValueKind(), cop->getObjectKind(), cop->getOperatorLoc(),
-        FPFeatures, cop->getComputationLHSType(),
+        CurFPFeatures, cop->getComputationLHSType(),
         cop->getComputationResultType());
 
   } else if (BinaryOperator *bop = dyn_cast<BinaryOperator>(syntax)) {
     Expr *lhs = stripOpaqueValuesFromPseudoObjectRef(*this, bop->getLHS());
     Expr *rhs = cast<OpaqueValueExpr>(bop->getRHS())->getSourceExpr();
     return BinaryOperator::Create(Context, lhs, rhs, bop->getOpcode(),
                                   bop->getType(), bop->getValueKind(),
                                   bop->getObjectKind(), bop->getOperatorLoc(),
-                                  FPFeatures);
+                                  CurFPFeatures);
 
   } else if (isa<CallExpr>(syntax)) {
     return syntax;
   } else {
     assert(syntax->hasPlaceholderType(BuiltinType::PseudoObject));
     return stripOpaqueValuesFromPseudoObjectRef(*this, syntax);
   }
 }

clang/lib/Sema/TreeTransform.h

if (!getDerived().AlwaysRebuild() &&
       RHS.get() == E->getRHS())
     return E;
 
   if (E->isCompoundAssignmentOp())
     // FPFeatures has already been established from trailing storage
     return getDerived().RebuildBinaryOperator(
         E->getOperatorLoc(), E->getOpcode(), LHS.get(), RHS.get());
   Sema::FPFeaturesStateRAII FPFeaturesState(getSema());
-  getSema().FPFeatures = E->getFPFeatures(getSema().getLangOpts());
+  getSema().CurFPFeatures = E->getFPFeatures(getSema().getLangOpts());
 
   return getDerived().RebuildBinaryOperator(E->getOperatorLoc(), E->getOpcode(),
                                             LHS.get(), RHS.get());
 }
 
 template <typename Derived>
 ExprResult TreeTransform<Derived>::TransformCXXRewrittenBinaryOperator(
     CXXRewrittenBinaryOperator *E) {
return getDerived().RebuildCXXRewrittenBinaryOperator(
       E->getOperatorLoc(), Decomp.Opcode, UnqualLookups, LHS.get(), RHS.get());
 }
 
 template<typename Derived>
 ExprResult
 TreeTransform<Derived>::TransformCompoundAssignOperator(
                                                       CompoundAssignOperator *E) {
   Sema::FPFeaturesStateRAII FPFeaturesState(getSema());
-  getSema().FPFeatures = E->getFPFeatures(getSema().getLangOpts());
+  getSema().CurFPFeatures = E->getFPFeatures(getSema().getLangOpts());
   return getDerived().TransformBinaryOperator(E);
 }
 
 template<typename Derived>
 ExprResult TreeTransform<Derived>::
 TransformBinaryConditionalOperator(BinaryConditionalOperator *e) {
   // Just rebuild the common and RHS expressions and see whether we
   // get any changes.
#include "clang/Basic/OperatorKinds.def"
 
   if (!getDerived().AlwaysRebuild() &&
       Callee.get() == E->getCallee() &&
       First.get() == E->getArg(0) &&
       (E->getNumArgs() != 2 || Second.get() == E->getArg(1)))
     return SemaRef.MaybeBindToTemporary(E);
 
   Sema::FPFeaturesStateRAII FPFeaturesState(getSema());
-  getSema().FPFeatures = E->getFPFeatures();
+  getSema().CurFPFeatures = E->getFPFeatures();
 
   return getDerived().RebuildCXXOperatorCallExpr(E->getOperator(),
                                                  E->getOperatorLoc(),
                                                  Callee.get(),
                                                  First.get(),
                                                  Second.get());
 }
 

clang/lib/Serialization/ASTReader.cpp

for (uint64_t ID : PreloadedDeclIDs) {
     NamedDecl *D = cast<NamedDecl>(GetDecl(ID));
     pushExternalDeclIntoScope(D, D->getDeclName());
   }
   PreloadedDeclIDs.clear();
 
   // FIXME: What happens if these are changed by a module import?
   if (!FPPragmaOptions.empty()) {
     assert(FPPragmaOptions.size() == 1 && "Wrong number of FP_PRAGMA_OPTIONS");
-    SemaObj->FPFeatures = FPOptions(FPPragmaOptions[0]);
+    SemaObj->CurFPFeatures = FPOptions(FPPragmaOptions[0]);
   }
 
   SemaObj->OpenCLFeatures.copy(OpenCLExtensions);
   SemaObj->OpenCLTypeExtMap = OpenCLTypeExtMap;
   SemaObj->OpenCLDeclExtMap = OpenCLDeclExtMap;
 
   UpdateSema();
 }

clang/lib/Serialization/ASTWriter.cpp

ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot,
   WriteSourceManagerBlock(Context.getSourceManager(), PP);
   WriteComments();
   WritePreprocessor(PP, isModule);
   WriteHeaderSearch(PP.getHeaderSearchInfo());
   WriteSelectors(SemaRef);
   WriteReferencedSelectorsPool(SemaRef);
   WriteLateParsedTemplates(SemaRef);
   WriteIdentifierTable(PP, SemaRef.IdResolver, isModule);
-  WriteFPPragmaOptions(SemaRef.getFPOptions());
+  WriteFPPragmaOptions(SemaRef.getCurFPFeatures());
   WriteOpenCLExtensions(SemaRef);
   WriteOpenCLExtensionTypes(SemaRef);
   WriteCUDAPragmas(SemaRef);
 
   // If we're emitting a module, write out the submodule information.
   if (WritingModule)
     WriteSubmodules(WritingModule);