guard `isempty (close #41656) (#41752)

(cherry picked from commit 4c3829d)

Author: bicycle1885

contrib/generate_precompile.jl

@@ -1,6 +1,6 @@
 # This file is a part of Julia. License is MIT: https://julialang.org/license
 
-if isempty(Base.ARGS) || Base.ARGS[1] !== "0"
+if Base.isempty(Base.ARGS) || Base.ARGS[1] !== "0"
 Sys.__init_build()
 # Prevent this from being put into the Main namespace
 @eval Module() begin

test/misc.jl

@@ -912,3 +912,6 @@ end
 @testset "issue #28188" begin
     @test `$(@__FILE__)` == let file = @__FILE__; `$file` end
 end
+
+# issue #41656
+@test success(`$(Base.julia_cmd()) -e 'isempty(x) = true'`)