c++/5038: Internal error: Segmentation fault

c++/5038: Internal error: Segmentation fault

[gianni]

>Number:         5038
>Category:       c++
>Synopsis:       Internal error: Segmentation fault
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 06 09:56:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Gianni Mariani
>Release:        unknown-1.0
>Organization:
>Environment:
Configured with: ./configure 
Thread model: single
gcc version 3.0

Linux jaz 2.4.9 #2 SMP Thu Aug 23 08:17:26 PDT 2001 i686 unknown
>Description:

The following code causes a Segmentation fault :

g++ -c broken.cpp
broken.cpp:30: 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.

----- broken.cpp -------

class AAAA {
public:
        virtual int hhhh() = 0;

};

class DDDD : public virtual AAAA {
public:
        virtual int ffff( int vvvv ) = 0;

};

class AAAA_Impl : public virtual AAAA {
public:
        virtual int hhhh();

};

class DDDD_Basic : public virtual DDDD, public virtual AAAA_Impl {
public:

        virtual int ffff( int vvvv );

};

class CCCC_Red
        : virtual public AAAA_Impl,
          virtual public DDDD_Basic
{
}
>How-To-Repeat:

Compile the program

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:

Re: c++/5038: Internal error: Segmentation fault

[rodrigc]

The following reply was made to PR c++/5038; it has been noted by GNATS.

From: rodrigc@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org,
  gianni@mariani.ws, nobody@gcc.gnu.org, pinskia@physics.uc.edu
Cc:  
Subject: Re: c++/5038: Internal error: Segmentation fault
Date: 6 Dec 2001 18:31:37 -0000

 Synopsis: Internal error: Segmentation fault
 
 State-Changed-From-To: open->closed
 State-Changed-By: rodrigc
 State-Changed-When: Thu Dec  6 10:31:36 2001
 State-Changed-Why:
     Fixed gcc 3.0.2, gcc 3.0.3 prerelease, and gcc 3.1 experimental.
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5038&database=gcc

Re: c++/5038: Internal error: Segmentation fault

[rodrigc]

Synopsis: Internal error: Segmentation fault

State-Changed-From-To: open->closed
State-Changed-By: rodrigc
State-Changed-When: Thu Dec  6 10:31:36 2001
State-Changed-Why:
    Fixed gcc 3.0.2, gcc 3.0.3 prerelease, and gcc 3.1 experimental.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5038&database=gcc

Re: c++/5038: Internal error: Segmentation fault

[Andrew Pinski]

The following reply was made to PR c++/5038; it has been noted by GNATS.

From: Andrew Pinski <pinskia@physics.uc.edu>
To: gianni@mariani.ws
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: c++/5038: Internal error: Segmentation fault
Date: Thu, 6 Dec 2001 13:01:55 -0500

 This has been fixed for gcc 3.0.3:
 Reading specs from /home/rodent/pinskia/gcc-linux/bin/../lib/gcc-
 lib/i686-pc-linux-gnu/3.0.3/specs
 Configured with: /lhome/src/gnu/gcc/gcc3.1/src/configure 
 --prefix=/home/linux --with-gnu-as=/home/linux/bun/as --with-gnu-
 ld=/home/linux/bin/ld --enable-threads=posix --enable-shared
 Thread model: posix
 gcc driver version 3.1 20011205 (experimental) executing gcc version 
 3.0.3
   /home/rodent/pinskia/gcc-linux/bin/../lib/gcc-lib/i686-pc-linux-
 gnu/3.0.3/cc1plus -v -iprefix /home/rodent/pinskia/gcc-
 linux/bin/../lib/gcc-lib/i686-pc-linux-gnu/3.0.3/ -D__GNUC__=3 
 -D__GNUC_MINOR__=0 -D__GNUC_PATCHLEVEL__=3 -D__ELF__ -Dunix -Dlinux 
 -D__ELF__ -D__unix__ -D__linux__ -D__unix -D__linux -Asystem=posix 
 -D__NO_INLINE__ -D__STDC_HOSTED__=1 -D_GNU_SOURCE -Acpu=i386 
 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i686__ 
 -D__tune_pentiumpro__ broken.cc -D__GNUG__=3 -D__DEPRECATED 
 -D__EXCEPTIONS -D__GXX_ABI_VERSION=100 -quiet -dumpbase broken.cc 
 -version -o /tmp/ccLxMPqL.s
 GNU CPP version 3.0.3 20011107 (prerelease) (cpplib) (i386 Linux/ELF)
 GNU C++ version 3.0.3 20011107 (prerelease) (i686-pc-linux-gnu)
          compiled by GNU C version 3.0.3 20011107 (prerelease).
 ignoring nonexistent directory "/usr/local/include"
 ignoring duplicate directory "/home/linux/include/g++-v3"
 ignoring duplicate directory 
 "/home/linux/include/g++-v3/i686-pc-linux-gnu"
 ignoring duplicate directory "/home/linux/include/g++-v3/backward"
 ignoring duplicate directory "/home/linux/lib/gcc-lib/i686-pc-linux-
 gnu/3.0.3/include"
 ignoring duplicate directory "/home/linux/i686-pc-linux-gnu/include"
 #include "..." search starts here:
 #include <...> search starts here:
   /home/rodent/pinskia/gcc-linux/include/g++-v3
   /home/rodent/pinskia/gcc-linux/include/g++-v3/i686-pc-linux-gnu
   /home/rodent/pinskia/gcc-linux/include/g++-v3/backward
   /home/rodent/pinskia/gcc-linux/lib/gcc-lib/i686-pc-linux-
 gnu/3.0.3/include
   /home/rodent/pinskia/gcc-linux/i686-pc-linux-gnu/include
   /home/linux/include
   /usr/include
 End of search list.
 broken.cc:31: semicolon missing after declaration of `CCCC_Red'
 broken.cc:31: parse error at end of input
 
 It is also fixed in gcc 3.1:
 g++ -V3.1 -v broken.cc
 Reading specs from /home/rodent/pinskia/gcc-linux/bin/../lib/gcc-
 lib/i686-pc-linux-gnu/3.1/specs
 Configured with: /lhome/src/gnu/gcc/gcc3.1/src/configure 
 --prefix=/home/linux --with-gnu-as=/home/linux/bun/as --with-gnu-
 ld=/home/linux/bin/ld --enable-threads=posix --enable-shared
 Thread model: posix
 gcc version 3.1 20011205 (experimental)
   /home/rodent/pinskia/gcc-linux/bin/../lib/gcc-lib/i686-pc-linux-
 gnu/3.1/cc1plus -v -iprefix /home/rodent/pinskia/gcc-
 linux/bin/../lib/gcc-lib/i686-pc-linux-gnu/3.1/ -D__GNUC__=3 
 -D__GNUC_MINOR__=1 -D__GNUC_PATCHLEVEL__=0 -D__ELF__ -Dunix -Dlinux 
 -D__ELF__ -D__unix__ -D__linux__ -D__unix -D__linux -Asystem=posix 
 -D__NO_INLINE__ -D__STDC_HOSTED__=1 -D_GNU_SOURCE -Acpu=i386 
 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i686__ 
 -D__tune_pentiumpro__ broken.cc -D__GNUG__=3 -D__DEPRECATED 
 -D__EXCEPTIONS -D__GXX_ABI_VERSION=100 -quiet -dumpbase broken.cc 
 -version -o /tmp/ccEyOW8H.s
 GNU CPP version 3.1 20011206 (experimental) (cpplib) (i386 Linux/ELF)
 GNU C++ version 3.1 20011206 (experimental) (i686-pc-linux-gnu)
          compiled by GNU C version 3.1 20011205 (experimental).
 ignoring nonexistent directory "/usr/local/include"
 ignoring duplicate directory "/home/linux/include/g++-v3"
 ignoring duplicate directory 
 "/home/linux/include/g++-v3/i686-pc-linux-gnu"
 ignoring duplicate directory "/home/linux/include/g++-v3/backward"
 ignoring duplicate directory "/home/linux/lib/gcc-lib/i686-pc-linux-
 gnu/3.1/include"
 ignoring duplicate directory "/home/linux/i686-pc-linux-gnu/include"
 #include "..." search starts here:
 #include <...> search starts here:
   /home/rodent/pinskia/gcc-linux/include/g++-v3
   /home/rodent/pinskia/gcc-linux/include/g++-v3/i686-pc-linux-gnu
   /home/rodent/pinskia/gcc-linux/include/g++-v3/backward
   /home/rodent/pinskia/gcc-linux/lib/gcc-lib/i686-pc-linux-gnu/3.1/include
   /home/rodent/pinskia/gcc-linux/i686-pc-linux-gnu/include
   /home/linux/include
   /usr/include
 End of search list.
 broken.cc:31: semicolon missing after declaration of `CCCC_Red'
 broken.cc:31: parse error at end of input
 
 On Thursday, December 6, 2001, at 12:53 , gianni@mariani.ws wrote:
 
 > class AAAA {
 > public:
 >         virtual int hhhh() = 0;
 >
 > };
 >
 > class DDDD : public virtual AAAA {
 > public:
 >         virtual int ffff( int vvvv ) = 0;
 >
 > };
 >
 > class AAAA_Impl : public virtual AAAA {
 > public:
 >         virtual int hhhh();
 >
 > };
 >
 > class DDDD_Basic : public virtual DDDD, public virtual AAAA_Impl {
 > public:
 >
 >         virtual int ffff( int vvvv );
 >
 > };
 >
 > class CCCC_Red
 >         : virtual public AAAA_Impl,
 >           virtual public DDDD_Basic
 > {
 > }