Reapply r170344, this time without forgetting to commit the header changes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170354 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 1 deletions

diff --git a/include/clang/Basic/ObjCRuntime.h b/include/clang/Basic/ObjCRuntime.h
index d543b76715..18ef64a315 100644
--- a/include/clang/Basic/ObjCRuntime.h
+++ b/include/clang/Basic/ObjCRuntime.h
@@ -104,7 +104,7 @@ public:
     return true;
   }
 
-  /// \brief Is this runtime basically of the GNUstep family of runtimes?
+  /// \brief Is this runtime basically of the GNU family of runtimes?
   bool isGNUFamily() const {
     switch (getKind()) {
     case FragileMacOSX:
@@ -164,6 +164,8 @@ public:
         return getVersion() >= VersionTuple(10, 8);
       case iOS:
         return (getVersion() >= VersionTuple(6));
+      case GNUstep:
+        return getVersion() >= VersionTuple(1, 7);
     
       default:
       return false;
@@ -272,6 +274,18 @@ public:
     llvm_unreachable("bad kind");
   }
 
+  bool hasAtomicCopyHelper() const {
+    switch (getKind()) {
+    case FragileMacOSX:
+    case MacOSX:
+    case iOS:
+      return true;
+    case GNUstep:
+      return getVersion() >= VersionTuple(1, 7);
+    default: return false;
+    }
+  }
+
   /// \brief Try to parse an Objective-C runtime specification from the given
   /// string.
   ///