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Issue #25221: Fix corrupted result from PyLong_FromLong(0) when Python is compiled with NSMALLPOSINTS = 0.

This commit is contained in:
Mark Dickinson 2016-09-10 20:17:36 +01:00
parent f028d9f71a
commit 36820dd5a9
2 changed files with 5 additions and 1 deletions
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3
Misc/NEWS
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@ -10,6 +10,9 @@ Release date: TBA
Core and Builtins
-----------------
- Issue #25221: Fix corrupted result from PyLong_FromLong(0) when
Python is compiled with NSMALLPOSINTS = 0.
- Issue #25758: Prevents zipimport from unnecessarily encoding a filename
(patch by Eryk Sun)

3
Objects/longobject.c
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@ -234,7 +234,7 @@ PyLong_FromLong(long ival)
unsigned long abs_ival;
unsigned long t; /* unsigned so >> doesn't propagate sign bit */
int ndigits = 0;
int sign = 1;
int sign;
CHECK_SMALL_INT(ival);
@ -246,6 +246,7 @@ PyLong_FromLong(long ival)
}
else {
abs_ival = (unsigned long)ival;
sign = ival == 0 ? 0 : 1;
}
/* Fast path for single-digit ints */