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[3.15.0a8] Build error if specialization is disabled #148825

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[3.15.0a8] Build error if specialization is disabled#148825
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3.15bugs and security fixesbuildThe build process and cross-buildinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

Description

@cdce8p
cdce8p
opened on Apr 21, 2026

Bug report

Bug description:

Set ENABLE_SPECIFICATION = 0 and run make.

cpython/Include/internal/pycore_code.h

Line 301 in d206d42

#define ENABLE_SPECIALIZATION 1 

Python/specialize.c:119:31: error: use of undeclared identifier 'opcode'
  119 |         i += _PyOpcode_Caches[opcode];
      |                               ^
1 error generated.
make: *** [Python/specialize.o] Error 1

The bug was introduced in 879c85f, released with 3.15.0a8.

CPython versions tested on:

CPython main branch

Operating systems tested on:

macOS

Linked PRs

Activity

  1. cdce8p
    added
    type-bugAn unexpected behavior, bug, or error
    on Apr 21, 2026
  2. picnixz
    added
    buildThe build process and cross-build
    3.15bugs and security fixes
    interpreter-core(Objects, Python, Grammar, and Parser dirs)
    on Apr 21, 2026
  3. JelleZijlstra
    added 2 commits that reference this issue on Jun 25, 2026

    gh-148825: Fix build error if specialization is disabled (#148826)

    56ae0b8

    [3.15] gh-148825: Fix build error if specialization is disabled (GH-1…

    eaf4d73
  4. cdce8p
    closed this as completedon Jun 25, 2026
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