tighten guard

eendebakpt · eendebakpt · commit 32c68aefa4d5 · 2025-01-29T22:40:36.000+01:00
diff --git a/Python/specialize.c b/Python/specialize.c
@@ -2475,7 +2475,7 @@ shift_guard(PyObject *lhs, PyObject *rhs)
 
     // rshift with value larger the the number of bits is undefined in C
     // for lshift we do not want to overflow, but we always have at least 16 bits available
-    return (is_compactlong(lhs) && is_compactnonnegativelong(rhs) && (_PyLong_CompactValue((PyLongObject *)rhs) <= 16) );
+    return (is_compactlong(lhs) && is_compactnonnegativelong(rhs) && (_PyLong_CompactValue((PyLongObject *)rhs) <= 12) );
 }
 
 #define BITWISE_LONGS_ACTION(NAME, OP) \

Original file line number	Diff line number	Diff line change
`@@ -2475,7 +2475,7 @@ shift_guard(PyObject lhs, PyObject rhs)`
`2475`	`2475`
`2476`	`2476`	`// rshift with value larger the the number of bits is undefined in C`
`2477`	`2477`	`// for lshift we do not want to overflow, but we always have at least 16 bits available`
`2478`		`- return (is_compactlong(lhs) && is_compactnonnegativelong(rhs) && (_PyLong_CompactValue((PyLongObject *)rhs) <= 16) );`
	`2478`	`+ return (is_compactlong(lhs) && is_compactnonnegativelong(rhs) && (_PyLong_CompactValue((PyLongObject *)rhs) <= 12) );`
`2479`	`2479`	`}`
`2480`	`2480`
`2481`	`2481`	`#define BITWISE_LONGS_ACTION(NAME, OP) \`