Re: c++/2258

Re: c++/2258

[nathan]

The following reply was made to PR c++/2258; it has been noted by GNATS.

From: nathan@gcc.gnu.org
To: furboo@cybermesa.com, gcc-gnats@gcc.gnu.org, nathan@gcc.gnu.org
Cc:  
Subject: Re: c++/2258
Date: 1 May 2001 12:58:16 -0000

 Synopsis: using namespace std fails for endl in templated function
 
 State-Changed-From-To: analyzed->closed
 State-Changed-By: nathan
 State-Changed-When: Tue May  1 08:58:16 2001
 State-Changed-Why:
     2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>
     
     	* cp-tree.def (USING_STMT): New statement node.
     	* cp-tree.h (USING_STMT_NAMESPACE): New macro.
     	* decl2.c (do_using_directive): Add USING_STMT to statement
     	tree. Don't emit errors when processing template decl.
     	* pt.c (tsubst_expr, USING_STMT case): New case.
     	* semantics.c (cp_expand_stmt, USING_STMT case): New case.
     2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>
     
     	* g++.old-deja/g++.ns/template17.C: New test.
     
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2258&database=gcc

Re: c++/2258

[Rob Lowrie]

The following reply was made to PR c++/2258; it has been noted by GNATS.

From: Rob Lowrie <furboo@cybermesa.com>
To: nathan@gcc.gnu.org
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: c++/2258
Date: Mon, 14 May 2001 15:24:22 -0600 (MDT)

 --DonoCHoepM
 Content-Type: text/plain
 Content-Description: test code
 Content-Disposition: inline;
 	filename="tst3.cc"
 Content-Transfer-Encoding: 7bit
 
 
 #include <vector>
 #include <iostream>
 
 template <class T> void mycout(const T& data);
 
 // **** Uncommenting either of these will fix the problem:
 // using namespace std;
 // using std::vector;
 
 template <class T>
 void mycout(const T& data)
 {
     // ... but this by itself does not work:
     using std::vector;
 
     vector<T> a(1);
     a[0] = data;
 
     std::cout << a[0] << std::endl;
 }
 
 int main()
 {
     double data = 5.0;
     mycout(data);
 }
 
 --DonoCHoepM
 Content-Type: text/plain; charset=us-ascii
 Content-Description: message body text
 Content-Transfer-Encoding: 7bit
 
 
 Although your fix below works for std::endl, it doesn't seem to work
 for templated classes.  See the attached code for an example using
 std::vector.
 
 I apologize if I should have filed a new bug report, but this
 seemed very closely related to c++/2258.
 
 -Rob
 
 nathan@gcc.gnu.org writes:
  > Synopsis: using namespace std fails for endl in templated function
  > 
  > State-Changed-From-To: analyzed->closed
  > State-Changed-By: nathan
  > State-Changed-When: Tue May  1 08:58:16 2001
  > State-Changed-Why:
  >     2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>
  >     
  >     	* cp-tree.def (USING_STMT): New statement node.
  >     	* cp-tree.h (USING_STMT_NAMESPACE): New macro.
  >     	* decl2.c (do_using_directive): Add USING_STMT to statement
  >     	tree. Don't emit errors when processing template decl.
  >     	* pt.c (tsubst_expr, USING_STMT case): New case.
  >     	* semantics.c (cp_expand_stmt, USING_STMT case): New case.
  >     2001-05-01  Nathan Sidwell  <nathan@codesourcery.com>
  >     
  >     	* g++.old-deja/g++.ns/template17.C: New test.
  >     
  > 
  > http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2258&database=gcc
  > 
 
 --DonoCHoepM--

Re: c++/2258

[nathan]

The following reply was made to PR c++/2258; it has been noted by GNATS.

From: nathan@gcc.gnu.org
To: furboo@cybermesa.com, gcc-gnats@gcc.gnu.org, nathan@gcc.gnu.org,
  nobody@gcc.gnu.org
Cc:  
Subject: Re: c++/2258
Date: 29 Apr 2001 13:17:07 -0000

 Synopsis: using namespace std fails for endl in templated function
 
 Responsible-Changed-From-To: unassigned->nathan
 Responsible-Changed-By: nathan
 Responsible-Changed-When: Sun Apr 29 09:17:07 2001
 Responsible-Changed-Why:
     patch in progress
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2258&database=gcc

Re: c++/2258

[nathan]

The following reply was made to PR c++/2258; it has been noted by GNATS.

From: nathan@gcc.gnu.org
To: furboo@cybermesa.com, gcc-gnats@gcc.gnu.org, nobody@gcc.gnu.org
Cc:  
Subject: Re: c++/2258
Date: 27 Apr 2001 15:43:02 -0000

 Synopsis: using namespace std fails for endl in templated function
 
 State-Changed-From-To: open->analyzed
 State-Changed-By: nathan
 State-Changed-When: Fri Apr 27 11:43:02 2001
 State-Changed-Why:
     confirmed as a bug. I'm marking it as a 2.95 regression,
     because 2.95 ignored std::
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2258&database=gcc