rsmith added inline comments.
================
Comment at: include/clang/Basic/Attr.td:566-567
-def Alias : Attr {
+// We do not support alias attribute on Apple platform, so we exclude the
platform.
+def Alias : Attr, TargetSpecificAttr<TargetDarwinNegative> {
let Spellings = [GCC<"alias">];
----------------
Is this really specific to Darwin? I would expect it instead to be specific to
the `ObjectFormat`. And I think listing the object formats that *do* support
aliases seems reasonable (as there's only three of them to list -- assuming
that WAsm actually supports aliases, which I don't know -- and we'd probably
want future object file formats to opt in rather than opting out).
Repository:
rC Clang
https://reviews.llvm.org/D46805
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