Merge pull request #18396 from JuliaLang/tb/core_kwargs

Allow calls to kwarg functions before Base is defined.

base/base.jl

@@ -145,16 +145,6 @@ finalize(o::ANY) = ccall(:jl_finalize_th, Void, (Ptr{Void}, Any,),
 gc(full::Bool=true) = ccall(:jl_gc_collect, Void, (Cint,), full)
 gc_enable(on::Bool) = ccall(:jl_gc_enable, Cint, (Cint,), on)!=0
 
-# used by interpolating quote and some other things in the front end
-function vector_any(xs::ANY...)
-    n = length(xs)
-    a = Array{Any}(n)
-    @inbounds for i = 1:n
-        arrayset(a,xs[i],i)
-    end
-    a
-end
-
 immutable Nullable{T}
     isnull::Bool
     value::T

base/essentials.jl

@@ -217,3 +217,13 @@ const (:) = Colon()
 # For passing constants through type inference
 immutable Val{T}
 end
+
+# used by interpolating quote and some other things in the front end
+function vector_any(xs::ANY...)
+    n = length(xs)
+    a = Array{Any}(n)
+    @inbounds for i = 1:n
+        Core.arrayset(a,xs[i],i)
+    end
+    a
+end

test/keywordargs.jl

@@ -227,3 +227,10 @@ let opts = (:a=>3, :b=>4)
     @test g17785(; opts..., a=5, b=6) == (5, 6)
     @test g17785(; b=0, opts..., a=5) == (5, 4)
 end
+
+# pr #18396, kwargs before Base is defined
+eval(Core.Inference, quote
+    f18396(;kwargs...) = g18396(;kwargs...)
+    g18396(;x=1,y=2) = x+y
+end)
+@test Core.Inference.f18396() == 3