================
@@ -3646,6 +3646,14 @@ def Unavailable : InheritableAttr {
let MeaningfulToClassTemplateDefinition = 1;
}
+def CanDiscard : InheritableAttr {
+ let Spellings = [CXX11<"clang", "candiscard">,
+ GCC<"candiscard">];
+ let Subjects = SubjectList<[ObjCMethod, FunctionLike, TypedefName]>;
----------------
erichkeane wrote:
Are we sure about this subject list? `ObjCMethod` seems odd here, and
`FunctionLike` ALSO allows this to be added to function/mem function
pointers/references/etc. I suspect this whole list should just be `Function` +
`TypedefName` (though maybe `Typedef` and `TypeAlias`, as including Objective C
ParamDecls seems odd here).
IF you leave any of the above, please make sure that ALL of the FunctionLike
has well defined semantics/etc, and that the ObjectiveC types are tested/have
well defined semantics.
https://github.com/llvm/llvm-project/pull/154943
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