[Attributor] Make sure abstract attributes are properly initialized

diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index aeae4c0..13a5191 100644 (file)
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -836,6 +836,11 @@ struct AAComposeTwoGenericDeduction
   AAComposeTwoGenericDeduction(const IRPosition &IRP)
       : F<AAType, G<AAType, Base, StateType>, StateType>(IRP) {}
 
+  void initialize(Attributor &A) override {
+    F<AAType, G<AAType, Base, StateType>, StateType>::initialize(A);
+    G<AAType, Base, StateType>::initialize(A);
+  }
+
   /// See AbstractAttribute::updateImpl(...).
   ChangeStatus updateImpl(Attributor &A) override {
     ChangeStatus ChangedF =