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Date: Thu, 03 Jun 2004 19:12:00 -0000
From: "gcc-bugzilla at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Message-ID: <20040603191239.15801.v13@priest.com>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug c++/15801] New: g++ fails to identify member variables in templates
X-Bugzilla-Reason: CC
X-SW-Source: 2004-06/txt/msg00366.txt.bz2
List-Id: <gcc-bugs.sourceware.org>

	g++ produces bad error for member variables. See how-to-repeat.
	This error is triggered in kde 3.3 / kdeaddons.

Environment:
System: Linux hell.hell.gr 2.6.6 #35 Sat May 29 20:08:29 EEST 2004 i686 unknown unknown GNU/Linux
Architecture: i686

	
host: i686-pc-linux-gnu
build: i686-pc-linux-gnu
target: i686-pc-linux-gnu
configured with: ../gcc-3.4.0/configure --enable-threads=posix --prefix=/usr --enable-languages=c,c++ --enable-shared --with-arch=pentium3 --with-cpu=pentium3 --enable-__cxa_atexit

How-To-Repeat:
Using this source:

template<class tA> struct A
{
	int var1;
}

template<class tB> struct B : public A<tB>
{
	void a()
	{
		int var2 = var1;
	}
}

gives:

$ g++ a.c -c -o a.o
a.c: In member function `void B<tB>::a()':
a.c:10: error: `var1' undeclared (first use this function)
a.c:10: error: (Each undeclared identifier is reported only once for each function it appears in.)
------- Additional Comments From v13 at priest dot com  2004-06-03 19:12 -------
Fix:
	This will make it work as expected:

        void a()
        {
-               int var2 = var1;
+               int var2 = this->var1;
        }

-- 
           Summary: g++ fails to identify member variables in templates
           Product: gcc
           Version: 3.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: v13 at priest dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15801