Move the allocation of designators in DesignatedInitExpr to the
ASTContext. Fixes <rdar://problem/7495428>.

llvm-svn: 92867
diff --git a/clang/lib/Frontend/PCHReaderStmt.cpp b/clang/lib/Frontend/PCHReaderStmt.cpp
index c108f54..138f1e1 100644
--- a/clang/lib/Frontend/PCHReaderStmt.cpp
+++ b/clang/lib/Frontend/PCHReaderStmt.cpp
@@ -616,7 +616,8 @@
     }
     }
   }
-  E->setDesignators(Designators.data(), Designators.size());
+  E->setDesignators(*Reader.getContext(), 
+                    Designators.data(), Designators.size());
 
   return NumSubExprs;
 }