c++/8164: internal error: segmentation fault

c++/8164: internal error: segmentation fault

[schnoerr]

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>Number:         8164
>Category:       c++
>Synopsis:       internal error: segmentation fault
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Oct 07 10:16:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Claudius Schnörr
>Release:        gcc version 3.2 20020818 (prerelease)
>Organization:
>Environment:
@PC169/.../testThreads$ gcc -v
Reading specs from /bin/../lib/gcc-lib/i686-pc-cygwin/3.2/specs
Configured with: /netrel/src/gcc-3.2-1/configure --enable-languages=c,c++,f77,ja
va --enable-libgcj --enable-threads=posix --with-system-zlib --enable-nls --with
out-included-gettext --enable-interpreter --disable-sjlj-exceptions --disable-ve
rsion-specific-runtime-libs --enable-shared --build=i686-pc-linux --host=i686-pc
-cygwin --target=i686-pc-cygwin --enable-haifa --prefix=/usr --exec-prefix=/usr
--sysconfdir=/etc --libdir=/usr/lib --includedir=/nonexistent/include --libexecd
ir=/usr/sbin
Thread model: posix
gcc version 3.2 20020818 (prerelease)
>Description:
g++ bug2.cc -o bug2 -Wall
bug2.cc: In member function `void Test<Rank>::dat_embrace(Test<LowRank>&)':
bug2.cc:32: 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.

in method dat_embrace, the template-rank-parameters are 
checked by a compile-time assert.
It works well for Rank, but fails for LowRank
>How-To-Repeat:

>Fix:
Prove template parameter LowRank at runtime rather than at compile-time
>Release-Note:
>Audit-Trail:
>Unformatted:
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Re: c++/8164: internal error: segmentation fault

[Volker Reichelt]

The following reply was made to PR c++/8164; it has been noted by GNATS.

From: Volker Reichelt <reichelt@igpm.rwth-aachen.de>
To: schnoerr@mailzone.com, gcc-gnats@gcc.gnu.org, gcc-bugs@gcc.gnu.org,
        nobody@gcc.gnu.org
Cc:  
Subject: Re: c++/8164: internal error: segmentation fault
Date: Tue, 5 Nov 2002 19:05:27 +0100

 Hi,
 
 the problem can be reduced to the following code snippet (which looks
 legal to me):
 
 -------------------------------snip here-------------------------
 template <bool> struct A {};
 
 template <bool> struct B
 {
   void foo()
   {
     const int i=0;
     typedef A< i<=1 > C;
     typedef A< i<=2 > C;
   }
 };
 -------------------------------snip here-------------------------
 
 gcc 2.95.x rejects the code with an error message.
 gcc 3.0.x, the 3.2 branch and mainline produce an ICE.
 
 Greetings,
 Volker
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8164
 
 

Re: c++/8164: internal error: segmentation fault

[lerdsuwa]

Synopsis: internal error: segmentation fault

State-Changed-From-To: open->analyzed
State-Changed-By: lerdsuwa
State-Changed-When: Sun Oct 27 06:43:04 2002
State-Changed-Why:
    Confirmed.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8164