fixup! broadcasting now falls back to iteration (fixes #23197, fixes #23746)

Author: mbauman

test/broadcast.jl

@@ -594,7 +594,7 @@ end
 @testset "broadcasting falls back to iteration (issues #26421, #19577, #23746)" begin
     @test_throws ArgumentError broadcast(identity, Dict(1=>2))
     @test_throws ArgumentError broadcast(identity, (a=1, b=2))
-    @test_throws ArgumentError length.(Dict(1 => IntSet(1:2), 2 => IntSet(1:3)))
+    @test_throws ArgumentError length.(Dict(1 => BitSet(1:2), 2 => BitSet(1:3)))
     @test_throws MethodError broadcast(identity, Base)
 
     @test broadcast(identity, Iterators.filter(iseven, 1:10)) == 2:2:10