------- Additional Comments From bangerth at dealii dot org 2005-03-02 21:54
-------
Correct. The class without inheritance doesn't need a constructor
since objects of this type can be initialized using a brace-enclosed
list. The class with inheritance is not POD, so it can't be initialized
that way and needs a constructor. This should demonstrate this:
-----------------
struct B {};
struct A1 : B { const int i; };
struct A2 { const int i; };
A1 a1 = { 1 }; // not ok
A2 a2 = { 1 }; // ok
-----------------
g/x> /home/bangerth/bin/gcc-3.4.4-pre/bin/c++ -W -Wall -ansi -pedantic -c x.cc
x.cc:3: warning: non-static const member `const int A1::i' in class without a
constructor
x.cc:6: error: `a1' must be initialized by constructor, not by `{...}'
This is therefore not a bug but correct behavior.
W.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19968
