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| author | Benjamin Peterson <benjamin@python.org> | 2014-03-15 01:15:29 (GMT) |
|---|---|---|
| committer | Benjamin Peterson <benjamin@python.org> | 2014-03-15 01:15:29 (GMT) |
| commit | bdc4b02985e5d50301c554cb58b7f0ad24b1f68b (patch) | |
| tree | d520a00812426dd1d9868649bec7976e43a75df1 | |
| parent | 21b391c956c22246b137248e9cadf4cd436f1ac5 (diff) | |
| download | cpython-bdc4b02985e5d50301c554cb58b7f0ad24b1f68b.zip cpython-bdc4b02985e5d50301c554cb58b7f0ad24b1f68b.tar.gz cpython-bdc4b02985e5d50301c554cb58b7f0ad24b1f68b.tar.bz2 | |
cast negative numbers to size_t before shifting them (#20929)
| -rw-r--r-- | Include/objimpl.h | 2 | ||||
| -rw-r--r-- | Misc/NEWS | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/Include/objimpl.h b/Include/objimpl.h index 9a27ec3..3f21b70 100644 --- a/Include/objimpl.h +++ b/Include/objimpl.h @@ -265,7 +265,7 @@ extern PyGC_Head *_PyGC_generation0; #define _PyGCHead_REFS(g) ((g)->gc.gc_refs >> _PyGC_REFS_SHIFT) #define _PyGCHead_SET_REFS(g, v) do { \ (g)->gc.gc_refs = ((g)->gc.gc_refs & ~_PyGC_REFS_MASK) \ - | (v << _PyGC_REFS_SHIFT); \ + | (((size_t)(v)) << _PyGC_REFS_SHIFT); \ } while (0) #define _PyGCHead_DECREF(g) ((g)->gc.gc_refs -= 1 << _PyGC_REFS_SHIFT) @@ -8,6 +8,8 @@ What's New in Python 3.4.1? Core and Builtins ----------------- +- Issue #20929: Add a type cast to avoid shifting a negative number. + - Issue #20731: Properly position in source code files even if they are opened in text mode. Patch by Serhiy Storchaka. |