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Re: Volatile MEMs in statement expressions and functions inlined astrees


>>>>> "Linus" == Linus Torvalds <torvalds@transmeta.com> writes:

> On Fri, 7 Dec 2001, Jason Merrill wrote:
>> 
>> To write it another way, the C++ expression
>> 
>> q = p = 0
>> 
>> is equivalent to the C expression
>> 
>> q = *(p = 0, &p)
>> 
>> Should that not load from p?

> Ehh.. Take it one step further: according to you, the C++ expression

> 	p = 0;

> is equivalent to the C expression

> 	*(p = 0, &p)

No.  It is equivalent to the C expression

     (p = 0, &p)

the dereference-equivalent is added by the lvalue-to-rvalue conversion.

Jason


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