Fixes

Author: blegat

src/interface.jl

@@ -26,7 +26,7 @@ function promote_operation_fallback(
 end
 
 function promote_operation_fallback(
-    op::F,
+    ::F,
     args::Vararg{Type,N},
 ) where {F<:Function,N}
     return promote_type(args...)

test/broadcast.jl

@@ -31,7 +31,7 @@ end
     @test y == 5
     # FIXME This should not allocate but I couldn't figure out where these
     #       allocations come from.
-    n = (VERSION >= v"1.11" ? 42 : 30) * sizeof(Int)
+    n = (VERSION >= v"1.11" ? 14 : 10) * sizeof(Int)
     alloc_test(() -> MA.broadcast!!(+, a, b), n)
     alloc_test(() -> MA.broadcast!!(+, a, c), 0)
 end