[Clang][Sema] Adjust formatting (NFC)

[egorzhdan]

Summary

This is a preparation for another change in the watchOS/tvOS availability logic. It is extracted into a separate commit to simplify reviewing and to keep the linter happy at the same time.

rdar://81491680

[aaron.ballman]

LGTM, thanks!

clang/lib/Sema/SemaDeclAttr.cpp

static void handleAvailabilityAttr(Sema &S, Decl *D, const ParsedAttr &AL) {
   if (S.Context.getTargetInfo().getTriple().isWatchOS()) {
     IdentifierInfo *NewII = nullptr;
     if (II->getName() == "ios")
       NewII = &S.Context.Idents.get("watchos");
     else if (II->getName() == "ios_app_extension")
       NewII = &S.Context.Idents.get("watchos_app_extension");
 
     if (NewII) {
-        auto adjustWatchOSVersion = [](VersionTuple Version) -> VersionTuple {
-          if (Version.empty())
-            return Version;
-          auto Major = Version.getMajor();
-          auto NewMajor = Major >= 9 ? Major - 7 : 0;
-          if (NewMajor >= 2) {
-            if (Version.getMinor().hasValue()) {
-              if (Version.getSubminor().hasValue())
-                return VersionTuple(NewMajor, Version.getMinor().getValue(),
-                                    Version.getSubminor().getValue());
-              else
-                return VersionTuple(NewMajor, Version.getMinor().getValue());
-            }
-            return VersionTuple(NewMajor);
-          }
 
-          return VersionTuple(2, 0);
-        };
 
-        auto NewIntroduced = adjustWatchOSVersion(Introduced.Version);
-        auto NewDeprecated = adjustWatchOSVersion(Deprecated.Version);
-        auto NewObsoleted = adjustWatchOSVersion(Obsoleted.Version);
 
-        AvailabilityAttr *NewAttr = S.mergeAvailabilityAttr(
-            ND, AL, NewII, true /*Implicit*/, NewIntroduced, NewDeprecated,
-            NewObsoleted, IsUnavailable, Str, IsStrict, Replacement,
-            Sema::AMK_None,
-            PriorityModifier + Sema::AP_InferredFromOtherPlatform);
-        if (NewAttr)
-          D->addAttr(NewAttr);
-      }
   } else if (S.Context.getTargetInfo().getTriple().isTvOS()) {
     // Transcribe "ios" to "tvos" (and add a new attribute) if the versioning
     // matches before the start of the tvOS platform.
     IdentifierInfo *NewII = nullptr;
     if (II->getName() == "ios")
       NewII = &S.Context.Idents.get("tvos");
     else if (II->getName() == "ios_app_extension")
       NewII = &S.Context.Idents.get("tvos_app_extension");
 
     if (NewII) {
       AvailabilityAttr *NewAttr = S.mergeAvailabilityAttr(
           ND, AL, NewII, true /*Implicit*/, Introduced.Version,
           Deprecated.Version, Obsoleted.Version, IsUnavailable, Str, IsStrict,
           Replacement, Sema::AMK_None,
           PriorityModifier + Sema::AP_InferredFromOtherPlatform);
       if (NewAttr)
         D->addAttr(NewAttr);
-      }
   } else if (S.Context.getTargetInfo().getTriple().getOS() ==
                  llvm::Triple::IOS &&
              S.Context.getTargetInfo().getTriple().isMacCatalystEnvironment()) {
     auto GetSDKInfo = [&]() {
       return S.getDarwinSDKInfoForAvailabilityChecking(AL.getRange().getBegin(),
                                                        "macOS");
     };