[Bug c++/20578] New: Problem with templates

[mah at systematic dot dk]

The following C++ code does not compile, which I believe it should (It 
compiles on gcc 1.1.1 and Microsoft's VS.NET):

Code start
template 
class A {
protected:
  int a;
};

template 
class B: public A {
public:
  void f() { a = 5; }
};
Code end
I get the following error:
test.cpp: In member function `void B::f()':
test.cpp:10: error: `a' undeclared (first use this function)
test.cpp:10: error: (Each undeclared identifier is reported only once for each 
function it appears in.)
asterix:components/mde> /pack/gcc/3.4.3/bin/g++ test.cpptest.cpp: In member 
function `void B::f()':
test.cpp:10: error: `a' undeclared (first use this function)
test.cpp:10: error: (Each undeclared identifier is reported only once for each 
function it appears in.)

-- 
   Summary: Problem with templates
   Product: gcc
   Version: 3.4.3
Status: UNCONFIRMED
  Severity: normal
  Priority: P2
 Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: mah at systematic dot dk
CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20578

[Bug c++/20578] Problem with templates

[mah at systematic dot dk]

--- Additional Comments From mah at systematic dot dk  2005-03-21 15:49 
---
Subject: RE:  Problem with templates

Thank you for an extreemly quick response. My code is now compiling:-)


Med venlig hilsen / kind regards

Martin Hansen 
Lead Architect, Products

Systematic Software Engineering A/S
Søren Frichs Vej 39, DK-8000  Aarhus C
Tel.: +45 8943 2123
Fax: +45 8943 2020
Web: www.systematic.dk  


-Original Message-
From: pinskia at gcc dot gnu dot org [mailto:[EMAIL PROTECTED] 
Sent: 21. marts 2005 16:33
To: Martin Hansen
Subject: [Bug c++/20578] Problem with templates


--- Additional Comments From pinskia at gcc dot gnu dot org  2005-03-21 
15:32 --- No this should not compile.  a is not dependent so it needs to be 
looked up at the point of the definition and not instaination.

Read the 3.4.x release notes to figure out how to fix your code.

-- 
   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution||INVALID


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20578

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20578