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From: "Chris Kappler" <chrisk@mysticlabs.com>
Subject: Re: c++/10086: static const int unresolved in ? : construct
Reply-To: "Chris Kappler" <chrisk@mysticlabs.com>
X-SW-Source: 2003-03/txt/msg00994.txt.bz2
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The following reply was made to PR c++/10086; it has been noted by GNATS.

From: "Chris Kappler" <chrisk@mysticlabs.com>
To: <bangerth@dealii.org>,
	<chrisk@mysticlabs.com>,
	<gcc-bugs@gcc.gnu.org>,
	<gcc-prs@gcc.gnu.org>,
	<nobody@gcc.gnu.org>,
	<gcc-gnats@gcc.gnu.org>
Cc:  
Subject: Re: c++/10086: static const int unresolved in ? : construct
Date: Sat, 15 Mar 2003 11:55:43 -0500

 This is a multi-part message in MIME format.
 
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 I do not agree.  In the attachment to this email, the commented code
 compiles perfectly.  The uncommented code results in a linker error.  I
 believe that the two pieces of code are semantically equivalent.
 
 ----- Original Message -----
 From: <bangerth@dealii.org>
 To: <chrisk@mysticlabs.com>; <gcc-bugs@gcc.gnu.org>; <gcc-prs@gcc.gnu.org>;
 <nobody@gcc.gnu.org>
 Sent: Friday, March 14, 2003 5:33 PM
 Subject: Re: c++/10086: static const int unresolved in ? : construct
 
 
 > Synopsis: static const int unresolved in ? : construct
 >
 > State-Changed-From-To: open->closed
 > State-Changed-By: bangerth
 > State-Changed-When: Fri Mar 14 22:33:31 2003
 > State-Changed-Why:
 >     Not a bug. You need a definition of the variable.
 >
 >
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&p
 r=10086
 
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 =0A=
 #include <iostream>=0A=
 using namespace std;=0A=
 =0A=
 class Base {=0A=
 public:=0A=
   const static int A =3D 0;=0A=
   const static int B =3D 1;=0A=
 };=0A=
 =0A=
 class Child : public Base {=0A=
 public:=0A=
   void printAB(bool v);=0A=
 };=0A=
 =0A=
 =0A=
 void Child::printAB(bool v) {=0A=
   int aa =3D A;=0A=
   int bb =3D B;=0A=
   int a =3D (v)?A:B;       // causes a linker error=0A=
   int b =3D (!v)?A:B;      // causes a linker error=0A=
   //int a =3D (v)?aa:bb;   // compiles and runs if uncommented=0A=
   //int b =3D (!v)?aa:bb;  // compiles and runs if uncommented=0A=
 =0A=
   cout<<"a is "<<a<<" b is "<<b<<endl;=0A=
 }=0A=
 =0A=
 int main() {=0A=
   Child c;=0A=
   c.printAB(true);=0A=
   c.printAB(false);=0A=
 }=0A=
 =0A=
 
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