jordan_rose added inline comments.

================
Comment at: lib/CodeGen/CGDebugInfo.cpp:2493-2499
   case Type::Adjusted:
-  case Type::Decayed:
+  case Type::Decayed: {
     // Decayed and adjusted types use the adjusted type in LLVM and DWARF.
-    return CreateType(
-        cast<PointerType>(cast<AdjustedType>(Ty)->getAdjustedType()), Unit);
+    QualType Adjusted = cast<AdjustedType>(Ty)->getAdjustedType();
+    (void)AttributedType::stripOuterNullability(Adjusted);
+    return CreateType(cast<PointerType>(Adjusted), Unit);
+  }
----------------
rsmith wrote:
> I think this should be handled by `UnwrapTypeForDebugInfo` instead of here; 
> this is after all just a type sugar node.
Getting back to this today. I'm inclined to say we should just drop the 
AdjustedType node altogether in UnwrapTypeForDebugInfo. What do you think? 
(also for @aprantl)


Repository:
  rL LLVM

https://reviews.llvm.org/D25850



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