[Bug c++/31780] [4.2/4.3 regression] ICE with incompatible types for ?: with "complex type" conversion

["gdr at cs dot tamu dot edu" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #29 from gdr at cs dot tamu dot edu  2008-01-07 07:09 -------
Subject: Re:  [4.2/4.3 regression] ICE with incompatible types for ?: with
"complex type" conversion

"mark at codesourcery dot com" <gcc-bugzilla@gcc.gnu.org> writes:

| > We have no plan of how those new constructors will interact with
| > future new additions.  Consequently, I'm very reluctant adding those
| > constructors -- after all, these new single-parameter constructors are
| > being suggested because of an ambiguity caused by adding a single-parameter
| > constructor that did not exist (in the Standard) in the first place.
| 
| I don't understand this argument.  Do you mean a future addition to the
| ISO C++ standard or to the GNU C++ library? 

ISO C++.

| Is it conceivable that ISO C++ will ever add a
| complex<double>::complex(int) constructor that doesn't set the real part
| to the value of the argument (converted to double), and the imaginary
| part to zero? 

That isn't the issue.  My concern is whether ISO C++ will ever
change conversion rules, say from integers to floats or doubles.  The
answer is likely. 

-- Gaby


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31780