Description

corona10

opened on Apr 4, 2026

Issue body actions

As in #146381, frozenset could be optimized in the same way as frozendict.

Linked PRs

• gh-148083: Constant-fold _CONTAINS_OP_SET for frozenset #148084
• gh-148083: Prevent constant folding when lhs is container types #148090

Activity

1. corona10

   self-assigned this

   on Apr 4, 2026
2. corona10

   added

   topic-JIT

   performancePerformance or resource usagePerformance or resource usage

   type-featureA feature request or enhancementA feature request or enhancement

   on Apr 4, 2026
3. corona10

   added 3 commits that reference this issue on Apr 4, 2026

   pythongh-148083: Constant-fold _CONTAINS_OP_SET for frozenset

   e7de8f5

   pythongh-148083: Constant-fold _CONTAINS_OP_SET for frozenset

   52ca498

   gh-148083: Constant-fold _CONTAINS_OP_SET for frozenset (gh-148084)

   289f19a
4. corona10

   closed this as completedon Apr 4, 2026
5. corona10

   reopened this on Apr 4, 2026
6. corona10

   closed this as completedon Apr 4, 2026
7. corona10

   added 2 commits that reference this issue on Apr 4, 2026

   pythongh-148083: Prevent constant folding when lhs is container types

   1d54f5c

   gh-148083: Prevent constant folding when lhs is container types (gh-1…

   853dafe
8. ljfp

   added 2 commits that reference this issue on Apr 25, 2026

   pythongh-148083: Constant-fold _CONTAINS_OP_SET for frozenset (python…

   315db30

   pythongh-148083: Prevent constant folding when lhs is container types (…

   8f39962

Issue actions