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gh-142476: fix memory leak when creating JIT executors #142492

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Merged
Fidget-Spinner merged 19 commits into from
Dec 19, 2025
Merged

gh-142476: fix memory leak when creating JIT executors #142492

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ad78398
Store chain_depth earlier and DECREF executor
ashm-dev Dec 9, 2025
ae51767
Add comment regarding reference ownership
ashm-dev Dec 10, 2025
2f9ab2c
Merge branch 'main' into jit/gc
ashm-dev Dec 10, 2025
dc5e8d3
Merge branch 'main' into jit/gc
ashm-dev Dec 10, 2025
cf6deac
Merge remote-tracking branch 'upstream/main' into jit/gc
ashm-dev Dec 11, 2025
bb950c2
Log executor refcount and GC links
ashm-dev Dec 11, 2025
29b4663
Update optimizer.c
ashm-dev Dec 11, 2025
4068cf8
Merge branch 'main' into jit/gc
ashm-dev Dec 11, 2025
80af6fc
Merge branch 'main' into jit/gc
ashm-dev Dec 11, 2025
a22b512
Merge branch 'main' into jit/gc
ashm-dev Dec 12, 2025
94312c3
Merge remote-tracking branch 'upstream/main' into jit/gc
ashm-dev Dec 12, 2025
a166b47
fix
ashm-dev Dec 12, 2025
1136bd2
Merge remote-tracking branch 'upstream/main' into jit/gc
ashm-dev Dec 12, 2025
f3a763a
blurb add
ashm-dev Dec 12, 2025
26c577d
add comment
ashm-dev Dec 13, 2025
a483193
Merge remote-tracking branch 'upstream/main' into jit/gc
ashm-dev Dec 13, 2025
1a3b2e9
Merge branch 'main' into jit/gc
ashm-dev Dec 19, 2025
d8451d0
fix
ashm-dev Dec 19, 2025
0b6ed2d
follow PEP 7
Fidget-Spinner Dec 19, 2025
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6 changes: 4 additions & 2 deletions Python/optimizer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -185,12 +185,14 @@ _PyOptimizer_Optimize(
else {
executor->vm_data.code = NULL;
}
executor->vm_data.chain_depth = chain_depth;
assert(executor->vm_data.valid);
_PyExitData *exit = _tstate->jit_tracer_state.initial_state.exit;
if (exit != NULL) {
exit->executor = executor;
} else {
Py_DECREF(executor);
}
executor->vm_data.chain_depth = chain_depth;
assert(executor->vm_data.valid);
interp->compiling = false;
return 1;
#else
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