Nonfragile ivar synthesis with property is in a continuation
class.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68234 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index 6b3ced0..5806416 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -1674,6 +1674,18 @@
     if ((*I)->getPropertyIvarDecl())
       ++count;
   }
+  // look into continuation class.
+  for (ObjCCategoryDecl *Categories = OI->getCategoryList();
+       Categories; Categories = Categories->getNextClassCategory()) {
+    if (!Categories->getIdentifier()) {
+      for (ObjCInterfaceDecl::prop_iterator I = Categories->prop_begin(),
+           E = Categories->prop_end(); I != E; ++I) {
+        if ((*I)->getPropertyIvarDecl())
+          ++count;
+      }
+      break;
+    }
+  }
   return count;
 }
 
@@ -1702,6 +1714,20 @@
       if (IV->getIdentifier() == IVD->getIdentifier())
         return OI;
   }
+  // look into continuation class.
+  for (ObjCCategoryDecl *Categories = OI->getCategoryList();
+       Categories; Categories = Categories->getNextClassCategory()) {
+    if (!Categories->getIdentifier()) {
+      for (ObjCInterfaceDecl::prop_iterator I = Categories->prop_begin(),
+           E = Categories->prop_end(); I != E; ++I) {
+        ObjCPropertyDecl *PDecl = (*I);
+        if (ObjCIvarDecl *IV = PDecl->getPropertyIvarDecl())
+          if (IV->getIdentifier() == IVD->getIdentifier())
+            return OI;
+      }
+      break;
+    }
+  }
   return getInterfaceDeclForIvar(OI->getSuperClass(), IVD);
 }
 
@@ -4566,6 +4592,18 @@
        E = OID->prop_end(); I != E; ++I)
     if (ObjCIvarDecl *IV = (*I)->getPropertyIvarDecl())
       OIvars.push_back(IV);
+  // look into continuation class.
+  for (ObjCCategoryDecl *Categories = OID->getCategoryList();
+       Categories; Categories = Categories->getNextClassCategory())
+    if (!Categories->getIdentifier()) {
+      for (ObjCInterfaceDecl::prop_iterator I = Categories->prop_begin(),
+           E = Categories->prop_end(); I != E; ++I) {
+        if (ObjCIvarDecl *IV = (*I)->getPropertyIvarDecl())
+          OIvars.push_back(IV);
+      }
+      break;
+    }
+    
   unsigned iv = 0;
   for (RecordDecl::field_iterator e = RD->field_end(); i != e; ++i) {
     FieldDecl *Field = *i;