avoid internal error and segfault with eval and scripts (bug #61191) * stack-frame.cc (script_stack_frame::get_val_offsets_with_insert): If frame_offset is initially zero then update frame_offset from m_lexical_frame_offsets after calling set_script_offsets_internal. * test/bug-61191/bug-61191.tst, test/bug-61191/subdir/bug_61191.m: New files. * test/bug-61191/module.mk: Update. * test/module.mk: Update.