Jean Delvare wrote:
v = p->field; if (!p) return;
can be seen as equivalent to
if (!p) return; v = p->field;
Heck, no.
You're missing the side-effect of a null pointer dereference crash (for p->field) (even though v is unused before the return). The optimizer is not allowed to make exceptions go away as a result of the hoisting.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
