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type assert `Core.SimpleVector` in `typejoin_union_tuple` #57631

Merged

aviatesk merged 6 commits into JuliaLang:master from nsajko:type_assert_Core_SimpleVector_promotion

Mar 12, 2025

+1 −1

base/promotion.jl

-Original file line number
+Diff line change
@@ Expand Up / @@ -199,7 +199,7 @@ end @@
     function typejoin_union_tuple(T::DataType)
         @_foldable_meta
-        p = T.parameters
+        p = T.parameters::Core.SimpleVector
         lr = length(p)
         if lr == 0
             return Tuple{}
@@ Expand Down @@