From: "satadru (Satadru Pramanik) via ruby-core" <ruby-core@...>
Date: 2026-10-25T04:37:12+00:00
Subject: [ruby-core:127234] [Ruby Bug#22472] Enabling yjit breaks ruby 4.0.9 build on x86_64

Issue #22472 has been reported by satadru (Satadru Pramanik).

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Bug #22472: Enabling yjit breaks ruby 4.0.9 build on x86_64
https://bugs.ruby-lang.org/issues/22472

* Author: satadru (Satadru Pramanik)
* Status: Open
* ruby -v: ruby 4.0.7 (2026-09-15 revision 229531a6cf) +PRISM [x86_64-linux]
* Backport: 3.3: UNKNOWN, 3.4: UNKNOWN, 4.0: UNKNOWN
----------------------------------------
I see this error building ruby 4.0.9 with --enable-yjit on x86_64 with our Chromebrew builds. 

Here is the error with RUST_BACKTRACE=full:

transdb.h updated                                                                      linking miniruby
thread '<unnamed>' (41405) panicked at src/input_files.rs:1954:35:                     called `Option::unwrap()` on a `None` value                                            stack backtrace:
   0:     0x5fb9dbc3e571 - <unknown>                                                      1:     0x5fb9dbc53a3a - <unknown>                                                      2:     0x5fb9dbc43ddc - <unknown>
   3:     0x5fb9dbc1c246 - <unknown>                                                      4:     0x5fb9dbc368e1 - <unknown>                                                      5:     0x5fb9dbc36c42 - <unknown>
   6:     0x5fb9dbc1c324 - <unknown>                                                      7:     0x5fb9dbc15099 - <unknown>
   8:     0x5fb9dbc1ce6d - <unknown>                                                      9:     0x5fb9dbc5416c - <unknown>
  10:     0x5fb9dbc54132 - <unknown>                                                     11:     0x5fb9dbc53ee9 - <unknown>
  12:     0x5fb9db8ba26f - <unknown>                                                     13:     0x5fb9db8b6ab7 - <unknown>
  14:     0x5fb9db9047ff - <unknown>                                                     15:     0x5fb9db92840c - <unknown>
  16:     0x5fb9db9fe566 - <unknown>                                                     17:     0x5fb9db928633 - <unknown>                                                     18:     0x5fb9db9fe566 - <unknown>                                                     19:     0x5fb9db928633 - <unknown>
  20:     0x5fb9db9284d4 - <unknown>
  21:     0x5fb9db9284d4 - <unknown>
  22:     0x5fb9db9fe566 - <unknown>                                                     23:     0x5fb9db9a5ace - <unknown>                                                     24:     0x5fb9dbbea37f - <unknown>
  25:     0x5fb9dbbe99ed - <unknown>
  26:     0x5fb9dbbeb44a - <unknown>
  27:     0x5fb9dbbe6fed - <unknown>
  28:     0x5fb9dbc3dcd9 - <unknown>                                                     29:     0x7aa62c1e6f84 - <unknown>
  30:     0x7aa62c123b3f - __clone                                                       31:                0x0 - <unknown>
collect2: fatal error: ld terminated with signal 6 [Aborted], core dumped



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