Merge pull request #642 from JuliaLang/mh/always_define_range

Always define `range(start, stop)`

README.md

@@ -271,7 +271,7 @@ Currently, the `@compat` macro supports the following syntaxes:
 * `Complex32`, `Complex64`, and `Complex128` are now `ComplexF16`, `ComplexF32`, and
   `ComplexF64`, respectively ([#24647]).
 
-* `trace` is now `tr`, available as `Compat.tr` (#26365).
+* `trace` is now `tr`, available as `Compat.tr` ([#26365]).
 
 * `JULIA_HOME` is now `Sys.BINDIR`, available in the `Compat.Sys` submodule. ([#25102])
 
@@ -547,6 +547,7 @@ includes this fix. Find the minimum version from there.
 [#25990]: https://github.com/JuliaLang/julia/issues/25990
 [#25998]: https://github.com/JuliaLang/julia/issues/25998
 [#26009]: https://github.com/JuliaLang/julia/issues/26009
+[#26039]: https://github.com/JuliaLang/julia/issues/26039
 [#26069]: https://github.com/JuliaLang/julia/issues/26069
 [#26089]: https://github.com/JuliaLang/julia/issues/26089
 [#26149]: https://github.com/JuliaLang/julia/issues/26149
@@ -575,3 +576,4 @@ includes this fix. Find the minimum version from there.
 [#28295]: https://github.com/JuliaLang/julia/issues/28295
 [#28302]: https://github.com/JuliaLang/julia/issues/28302
 [#28303]: https://github.com/JuliaLang/julia/issues/28303
+[#28708]: https://github.com/JuliaLang/julia/issues/28708

src/Compat.jl

@@ -1869,8 +1869,18 @@ if VERSION < v"0.7.0-beta2.143"
     end
 end
 
+# This definition should be modified to throw an ArgumentError if neither
+# `step` nor `length` are given and be limited to VERSION < v"1.1.0-DEV.506".
+# However, there is a release with this definition, so we need to keep it around
+# to avoid breakage.
 if VERSION < v"1.1.0-DEV.506"
     range(start, stop; kwargs...) = range(start; stop=stop, kwargs...)
+else
+    function __init__()
+        @eval Base begin
+            range(start, stop; kwargs...) = range(start; stop=stop, kwargs...)
+        end
+    end
 end
 
 include("deprecated.jl")

src/deprecated.jl

@@ -29,3 +29,7 @@ Base.@deprecate_binding AsyncCondition Base.AsyncCondition
 Base.@deprecate_binding promote_eltype_op Base.promote_eltype_op
 @eval Base.@deprecate_binding $(Symbol("@irrational")) Base.$(Symbol("@irrational"))
 @eval Base.@deprecate_binding $(Symbol("@blasfunc")) Compat.LinearAlgebra.BLAS.$(Symbol("@blasfunc"))
+
+# to be deprecated:
+
+# * `range(start, stop)` (without either `length` nor `step` given)