ext/XS-APItest/t/stmtsasexpr.t test recursive descent statement-sequence parsing
ext/XS-APItest/t/stuff_modify_bug.t test for eval side-effecting source string
ext/XS-APItest/t/stuff_svcur_bug.t test for a bug in lex_stuff_pvn
+ext/XS-APItest/t/sviscow.t Test SvIsCOW
ext/XS-APItest/t/svpeek.t XS::APItest extension
ext/XS-APItest/t/svpv_magic.t Test behaviour of SvPVbyte and get magic
ext/XS-APItest/t/svsetsv.t Test behaviour of sv_setsv with/without PERL_CORE