← 返回首页
Unreachable code warning in specialize.c · Issue #94021 · python/cpython · GitHub
Skip to content

Navigation Menu

Toggle navigation
Sign in
Appearance settings
Search or jump to...

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Appearance settings
Resetting focus

Unreachable code warning in specialize.c #94021

New issue
New issue

Description

Bug report

Some versions of clang complain about unreachable code in specialize.c

cpython/Python/specialize.c

Lines 1911 to 1920 in 774ef28

#ifndef Py_STATS
_Py_SET_OPCODE(*instr, COMPARE_OP);
return;
#endif
if (next_opcode == EXTENDED_ARG) {
SPECIALIZATION_FAIL(COMPARE_OP, SPEC_FAIL_COMPARE_OP_EXTENDED_ARG);
goto failure;
}
SPECIALIZATION_FAIL(COMPARE_OP, SPEC_FAIL_COMPARE_OP_NOT_FOLLOWED_BY_COND_JUMP);
goto failure;

Python/specialize.c:1915:13: warning: code will never be executed [-Wunreachable-code]

The problem is trivial to fix.

Metadata

Metadata

Assignees

Labels

3.11only security fixes3.12only security fixestype-bugAn unexpected behavior, bug, or error

Fields

No fields configured for issues without a type.

Projects

No projects

Milestone

No milestone

Relationships

None yet

Development

No branches or pull requests

Issue actions

  • Open in GitHub Copilot app

Footer

© 2026 GitHub, Inc.