C++ standards question

Jay jay.krell@cornell.edu
Tue Feb 5 04:54:00 GMT 2013


This sounds like a bug. But I am skeptical that any compiler has this bug. Do you have a small test case that demonstrates it? Compilers aren't bug-free (nothing is) but there are FAR more bugs in compiler input than compilers themselves. 

 - Jay

On Feb 3, 2013, at 9:34 PM, "Mailaripillai, Kannan Jeganathan" <kannanmj@hp.com> wrote:

>> if ( expression of *p ) *p = '-';
>> 
>> The optimizer changes that to the equivalent of
>> 
>> *p = (expression of *p ) ? '-' : *p;
>> 
>> Is that a valid optimization?



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