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gh-113141: Upgrade mimalloc to upstream v3 #217257

gh-113141: Upgrade mimalloc to upstream v3

gh-113141: Upgrade mimalloc to upstream v3 #217257

Triggered via pull request October 30, 2026 19:12
Status Success
Total duration 33m 34s
Artifacts 4

build.yml

on: pull_request
Change detection  /  Create context from changed files
14s
Change detection / Create context from changed files
Matrix: build-ios
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
Matrix: build-ubuntu
Matrix: build-windows
Matrix: cifuzz
Docs  /  Doctest
7m 27s
Docs / Doctest
Docs  /  Check EPUB
2m 20s
Docs / Check EPUB
Check if Autoconf files are up to date
27s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 50s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
17s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 36s
Ubuntu (installed) / build, install and test
Emscripten  /  build and test
15m 35s
Emscripten / build and test
WASI  /  build and test
4m 39s
WASI / build and test
Hypothesis tests on Ubuntu
6m 49s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
9m 2s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
4m 33s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 21s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
3s
All required checks pass
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Annotations

2 errors, 6 warnings, and 14 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Cross build Linux: Include/internal/mimalloc/mimalloc/atomic.h#L54
‘__atomic_fetch_or_8’ writing 8 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
Ubuntu (installed) / build, install and test: Include/internal/mimalloc/mimalloc/atomic.h#L54
‘__atomic_fetch_or_8’ writing 8 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Change detection / Create context from changed files
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
C API Docs / Check if all C APIs are documented
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Docs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Check EPUB
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Check for removed HTML IDs / Check for removed HTML IDs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Android (aarch64)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
macOS / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
CIFuzz / cpython3 (address)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
CIFuzz / cpython3 (memory)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
iOS
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
CIFuzz / cpython3 (undefined)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
macOS (free-threading) / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
iOS (free-threading)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
All required checks pass
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

Artifacts

Produced during runtime
Name Size Digest
ASan-logs-default
2.49 KB
sha256:683046cff035883a74f95b69949c641db04b370afc0187d9cb79207fbe239b94
MSan-logs-default
209 Bytes
sha256:83cb21048309af19bb66389fea6349f65b3330441f84600df519633767efaf5c
UBSan-logs-default
1.5 KB
sha256:ea5a401fc5d4263e6a1da3dfa5c8c88ff15155f39cfe31a82ee43fd114030d0e
html-ids-head.json.gz
133 KB
sha256:488537a758f6884213f1a6ca0f7028aebcc077d46bb8bd3c4a8afd540e9b0c79