mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-02 11:08:57 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 14

Re-running python with/without the -Qnew flag uses incorrectly optimized

Browse source 
bytecodes from the previously saved .pyc files.  Fixed by disabling the static
optimization of BINARY_DIVIDE between two constants.
This commit is contained in:
Armin Rigo 2005-01-07 18:10:51 +00:00
parent 5a9fb3c415
commit 664b43b3f4
1 changed files with 3 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Python/compile.c
View file

@ -468,12 +468,9 @@ fold_binops_on_constants(unsigned char *codestr, PyObject *consts)
newconst = PyNumber_Multiply(v, w);
break;
case BINARY_DIVIDE:
if (!_Py_QnewFlag) {
newconst = PyNumber_Divide(v, w);
break;
}
/* -Qnew is in effect: fall through to
BINARY_TRUE_DIVIDE */
/* XXX care is needed to fold this operation statically:
the result might depend on the run-time presence of the -Qnew flag */
return 0;
case BINARY_TRUE_DIVIDE:
newconst = PyNumber_TrueDivide(v, w);
break;