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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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3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixesbuildThe build process and cross-buildThe build process and cross-buildinterpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
@cdce8p

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@cdce8p
cdce8p
opened on Apr 21, 2026
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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

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    3.15pre-release feature fixes, bugs and security fixespre-release feature fixes, bugs and security fixesbuildThe build process and cross-buildThe build process and cross-buildinterpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

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