Reduce invalidation by not specializing lastindex/axes1 (#311)

* don't specialize firstindex/lastindex

* bump version to v1.12.8

* don't specialize axes1 for IdOffsetRange

Project.toml

@@ -1,6 +1,6 @@
 name = "OffsetArrays"
 uuid = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
-version = "1.12.7"
+version = "1.12.8"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"

src/axes.jl

@@ -170,9 +170,12 @@ offset_coerce(::Type{I}, r::AbstractUnitRange) where I<:AbstractUnitRange =
     convert(I, r)::I, 0
 
 @inline Base.parent(r::IdOffsetRange) = r.parent
-@inline Base.axes(r::IdOffsetRange) = (Base.axes1(r),)
-@inline Base.axes1(r::IdOffsetRange) = IdOffsetRange(Base.axes1(r.parent), r.offset)
-@inline Base.unsafe_indices(r::IdOffsetRange) = (Base.axes1(r),)
+@inline Base.axes(r::IdOffsetRange) = (axes1(r),)
+@inline axes1(r::IdOffsetRange) = IdOffsetRange(Base.axes1(r.parent), r.offset)
+if VERSION < v"1.8.2"
+    Base.axes1(r::IdOffsetRange) = axes1(r)
+end
+@inline Base.unsafe_indices(r::IdOffsetRange) = (axes1(r),)
 @inline Base.length(r::IdOffsetRange) = length(r.parent)
 @inline Base.isempty(r::IdOffsetRange) = isempty(r.parent)
 #= We specialize on reduced_indices to work around cases where the parent axis type doesn't
@@ -188,8 +191,10 @@ end
 Base.reduced_index(i::IdOffsetRange) = typeof(i)(first(i):first(i))
 # Workaround for #92 on Julia < 1.4
 Base.reduced_index(i::IdentityUnitRange{<:IdOffsetRange}) = typeof(i)(first(i):first(i))
-for f in [:firstindex, :lastindex]
-    @eval @inline Base.$f(r::IdOffsetRange) = $f(r.parent) + r.offset
+if VERSION < v"1.8.2"
+    for f in [:firstindex, :lastindex]
+        @eval @inline Base.$f(r::IdOffsetRange) = $f(r.parent) + r.offset
+    end
 end
 for f in [:first, :last]
     # coerce the type to deal with values that get promoted on addition (eg. Bool)