Simplify and fix restructure

Author: ChrisRackauckas

lib/ArrayInterfaceStaticArraysCore/src/ArrayInterfaceStaticArraysCore.jl

@@ -15,7 +15,7 @@ function ArrayInterfaceCore.lu_instance(_A::StaticArraysCore.StaticMatrix{N,N})
 end
 
 function ArrayInterfaceCore.restructure(x::StaticArraysCore.SArray{S,T,N}, y::StaticArraysCore.SArray) where {S,T,N}
-    reshape(y, StaticArraysCore.size_to_tuple(S))
+    StaticArraysCore.SArray{S,T,N}(y)
 end
 ArrayInterfaceCore.restructure(x::StaticArraysCore.SArray{S}, y) where {S} = StaticArraysCore.SArray{S}(y)
 

lib/ArrayInterfaceStaticArraysCore/test/runtests.jl

@@ -21,7 +21,7 @@ y = @SVector rand(4)
 yr = ArrayInterfaceCore.restructure(x, y)
 @test yr isa SMatrix{2, 2}
 @test Base.size(yr) == (2,2)
-@test vec(yr) == vec(y)
+@test vec(yr) == vec(Float32.(y))
 z = rand(4)
 zr = ArrayInterfaceCore.restructure(x, z)
 @test zr isa SMatrix{2, 2}