On 01/05/2010 03:23 PM, Vincent Lefevre wrote: > On 2010-01-05 10:31:13 +0000, Andrew Haley wrote: >> "An object shall have its stored value accessed only by an lvalue >> expression that has one of the following types: >> >> but >> >> (union u*)&i >> >> is not a legal lvalue expression because the dereference is undefined >> behaviour. You may only dereference a pointer as permitted by 6.3.2.3. > > For the same reason, (char *) &i could not be dereferenced, and this > would break a lot of code!
Try reading it. This is Clause 7. Andrew.
