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Date: Sat, 05 Oct 2002 07:56:00 -0000
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Subject: c++/8153: segfault in compiler with static const member in class 
X-SW-Source: 2002-10/txt/msg00199.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         8153
>Category:       c++
>Synopsis:       segfault in compiler with static const member in class
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Sat Oct 05 07:56:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Volker Lukas
>Release:        gcc 3.2
>Organization:
>Environment:
System: Linux linux 2.4.19 #1 Sat Aug 3 13:08:17 CEST 2002 i686 unknown
 Architecture: i686
 
        <machine, os, target, libraries (multiple lines)>
 host: i686-pc-linux-gnu
 build: i686-pc-linux-gnu
 target: i686-pc-linux-gnu
 configured with: ../gcc-3.2/configure --with-gnu-as --with-gnu-ld --enable-threa
 ds --enable-version-specific-runtime-libs --enable-languages=c,c++ --disable-lib
 gcj --disable-nls
 
>Description:
If a static const member of type pointer to member is initialized in cla
ss, and the initializer is a template argument, gcc-3.2 exits with a segmentatio
n fault.
The full compiler output is as follows:

 c++ -Wall -c -o nocompile.o nocompile.ii
 gccbug.1.cpp: In instantiation of `B<&A::dummy>':
 gccbug.1.cpp:21:   instantiated from here
 gccbug.1.cpp:11: internal error: Segmentation fault
 Please submit a full bug report,
 with preprocessed source if appropriate.
 See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.

Gcc-2.95.3 compiles such a construct fine.

(This report is just like PR8152, which somehow missed the file attachment. I am sorry for that.)
>How-To-Repeat:
compiling of the attached preprocessor output (c++ -Wall -c nocompile.ii).
>Fix:
A non in-class initialization is accepted. 
I.e. :
-------------------------------
 class A;
 
 template<int A::* P>
 class B
 {
 public:
 
 static int A::* const p;
 };
 
 template<int A::* P>
 int A::* const B<P>::p = P;
 
 class A
 {
 public:
 
 int dummy;
 B<&A::dummy> d;
 };
--------------------------------
compiles just fine.
 
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: text/x-c++src; name="nocompile.ii"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="nocompile.ii"

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IyAxICJnY2NidWcuMS5jcHAiCgoKY2xhc3MgQTsKCgp0ZW1wbGF0ZTxpbnQgQTo6KiBQPgpjbGFz
cyBCCnsKcHVibGljOgoKc3RhdGljIGludCBBOjoqIGNvbnN0IHAgPSBQOwoKfTsKCmNsYXNzIEEK
ewpwdWJsaWM6CgppbnQgZHVtbXk7CgpCPCZBOjpkdW1teT4gZDsKCgoKfTsK