[Bug c/60103] Spurious -Wsequence-point warning with -O1

[chengniansun at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60103

--- Comment #2 from Chengnian Sun <chengniansun at gmail dot com> ---
(In reply to Andrew Pinski from comment #1)
> I think C11 and C90/C99 have a different idea here.  There is a relative
> sequence point between the function call fn2 and the 0 but there is no
> sequence point between the two assignments I think.
> 
> Sequence points are not my area of expertise so I could be wrong but I do
> know that C11/C++11 does get rid of the idea of sequence points and change
> the name of it to something else.

Thanks Andrew. After checking the standard, I see your point here. 

If the warning is not spurious, then IMHO gcc should also warn this with -O0.