add zero arg ReverseOrdering constructor (#679)

Project.toml

@@ -1,6 +1,6 @@
 name = "Compat"
 uuid = "34da2185-b29b-5c13-b0c7-acf172513d20"
-version = "2.2.0"
+version = "3.0.0"
 
 [deps]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"

README.md

@@ -65,14 +65,16 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 * `merge` methods with one and `n` `NamedTuple`s ([#29259]). (since Compat 2.0.0)
 
+* `Base.Order.ReverseOrdering` has a zero arg constructor [#33736]. (since Compat 3.0.0)
+
 ## Renaming
 
 ## New macros
 
 ## Other changes
 
 * Function composition now supports multiple functions: `∘(f, g, h) = f ∘ g ∘ h`
-  and splatting `∘(fs...)` for composing an iterable collection of functions ([#33568]).
+  and splatting `∘(fs...)` for composing an iterable collection of functions ([#33568]).  (since Compat 3.0.0)
 
 ## New types
 
@@ -114,3 +116,4 @@ Note that you should specify the correct minimum version for `Compat` in the
 [#32628]: https://github.com/JuliaLang/julia/issues/32628
 [#33129]: https://github.com/JuliaLang/julia/issues/33129
 [#33568]: https://github.com/JuliaLang/julia/pull/33568
+[#33736]: http://github.com/JuliaLang/julia/pull/33736

src/Compat.jl

@@ -93,6 +93,11 @@ if VERSION < v"1.4.0-DEV.329"
     Base.:∘(f, g, h...) = ∘(f ∘ g, h...)
 end
 
+# https://github.com/JuliaLang/julia/pull/33736/
+if VERSION < v"1.4.0-DEV.493"
+    Base.Order.ReverseOrdering() = Base.Order.ReverseOrdering(Base.Order.Forward)
+end
+
 include("deprecated.jl")
 
 end # module Compat

test/runtests.jl

@@ -97,4 +97,10 @@ end
     @test ∘(fs...)("ABC") == "AB"
 end
 
+# https://github.com/JuliaLang/julia/pull/33736/
+@testset "ReverseOrdering constructor" begin
+    @test Base.Order.ReverseOrdering() == Base.Order.Reverse
+end
+
+
 nothing