[1.12] Backport #60718+#60746: Fix and test jl_method_lookup_by_tt#60749

DilumAluthge merged 1 commit intobackports-release-1.12JuliaLang/julia:backports-release-1.12from

tb/jl_method_lookup_by_tt_1.12JuliaLang/julia:tb/jl_method_lookup_by_tt_1.12Copy head branch name to clipboard