[Bug middle-end/23497] [4.1 regression] Bogus 'is used uninitialized...' warning about std::complex<T>

[gdr at gcc dot gnu dot org]

------- Comment #27 from gdr at gcc dot gnu dot org  2005-11-16 18:44 -------
(In reply to comment #19)
> There are only two choices: either __imag__ is an lvalue, and the code in
> Comment #1 is valid, or __imag__ is not an lvalue, and the compiler should
> issue an error.
> 
> Nobody wants to see a warning about an uninitialized variable use on:
> 
>   __complex__ double t;
>   __imag__ t = 0.0;
>   __real__ t = 0.0;
> 
> If Andrew doesn't like the fact that __imag__ is an lvalue, then Andrew should
> complain to the C front-end maintainers.
> 

>From libstdc++ perspective, __imag__ ought to be an lvalue. This is a recurent
issue for C++ complex<>. 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23497