fix error show edge case (#44319)

* fix errors

Co-authored-by: Simeon Schaub <simeondavidschaub99@gmail.com>

Author: oscardssmith

base/errorshow.jl

@@ -508,7 +508,7 @@ function show_method_candidates(io::IO, ex::MethodError, @nospecialize kwargs=()
                 end
                 print(iob, ")")
                 show_method_params(iob0, tv)
-                file, line = functionloc(method)
+                file, line = updated_methodloc(method)
                 if file === nothing
                     file = string(method.file)
                 end

test/error.jl

@@ -86,3 +86,13 @@ end
     e = SystemError("fail")
     @test e.extrainfo === nothing
 end
+
+@testset "MethodError for methods without line numbers" begin
+    try
+        eval(Expr(:function, :(f44319()), 0))
+        f44319(1)
+    catch e
+        s = sprint(showerror, e)
+        @test s == "MethodError: no method matching f44319(::Int64)\nClosest candidates are:\n  f44319() at none:0"
+    end
+end