Ruby Issue Tracking System

11/26/2025

09:07 PM Ruby Bug #21715 (Closed): Miscompilation on x86-64-v2 due to undefined behavior in search_nonascii in string.c

Building the following Dockerfile fails on a x86-64 machine in the last step (running `make` command):
```
FROM opensuse/leap:16.0
RUN zypper --non-interactive install wget make gcc
RUN wget 'https://cache.ruby-lang.org/pub/ruby/3.... mjacob (Manuel Jacob)

11/24/2025

01:02 PM Ruby Bug #21516: Segfault in String#succ! on 32-bit i686

I have a very similar crash, but it doesn’t seem related to #21655. Can you check whether the fix for #21655 solved your crash? mjacob (Manuel Jacob)