map previously ignored __attribute((malloc)) to noalias attribute of llvm function's return

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78541 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReaderDecl.cpp b/lib/Frontend/PCHReaderDecl.cpp
index 95163af..32a1e38 100644
--- a/lib/Frontend/PCHReaderDecl.cpp
+++ b/lib/Frontend/PCHReaderDecl.cpp
@@ -480,6 +480,7 @@
       New = ::new (*Context) IBOutletAttr();
       break;
 
+    SIMPLE_ATTR(Malloc);
     SIMPLE_ATTR(NoReturn);
     SIMPLE_ATTR(NoThrow);
     SIMPLE_ATTR(Nodebug);