[ci skip]

Revert back to calling Broadcast.combine_styles twice.

Author: tkoolen

base/sparse/higherorderfns.jl

@@ -94,7 +94,7 @@ end
 broadcast(f::Tf, A::SparseVector) where {Tf} = _noshapecheck_map(f, A)
 broadcast(f::Tf, A::SparseMatrixCSC) where {Tf} = _noshapecheck_map(f, A)
 
-@inline function broadcast!(f::Tf, C::SparseVecOrMat, ::BroadcastStyle) where Tf
+@inline function broadcast!(f::Tf, C::SparseVecOrMat, ::Void) where Tf
     isempty(C) && return _finishempty!(C)
     fofnoargs = f()
     if _iszero(fofnoargs) # f() is zero, so empty C
@@ -107,7 +107,7 @@ broadcast(f::Tf, A::SparseMatrixCSC) where {Tf} = _noshapecheck_map(f, A)
     end
     return C
 end
-@inline function broadcast!(f::Tf, dest::SparseVecOrMat, style::BroadcastStyle, As::Vararg{Any,N}) where {Tf,N}
+@inline function broadcast!(f::Tf, dest::SparseVecOrMat, ::Void, As::Vararg{Any,N}) where {Tf,N}
     if f isa typeof(identity) && N == 1
         A = As[1]
         if A isa Number
@@ -116,7 +116,7 @@ end
             return copy!(dest, A)
         end
     end
-    return spbroadcast_args!(f, dest, style, As...)
+    return spbroadcast_args!(f, dest, Broadcast.combine_styles(As...), As...)
 end
 
 # the following three similar defs are necessary for type stability in the mixed vector/matrix case