Mercurial > cpython-lru_cache-weakref

diff Python/compile.c @ 34359:d81b6173f050 legacy-trunk

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Re-running python with/without the -Qnew flag uses incorrectly optimized bytecodes from the previously saved .pyc files. Fixed by disabling the static optimization of BINARY_DIVIDE between two constants.
author Armin Rigo <arigo@tunes.org>
date Fri, 07 Jan 2005 18:10:51 +0000
parents 0c326327e722
children bda933873758
line wrap: on
line diff
--- a/Python/compile.c	Fri Jan 07 16:01:32 2005 +0000
+++ b/Python/compile.c	Fri Jan 07 18:10:51 2005 +0000
@@ -468,12 +468,9 @@
 		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;