I have over 100 versions of perl on my laptop starting with perl1 and including all development releases. When you do so - like you - to test (your own) stuff, one might be expected to have enough experience to recognize build errors and fix them where appropriate. For all others, there is Devel::PatchPerl if one really needs a historic build for whatever purpose,

The OP did not mention a single reason for building a perl so old.