Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!UUNET.UU.NET!kewill!bryan
From: kewill!bryan@UUNET.UU.NET (Bryan Boreham)
Newsgroups: gnu.g++.bug
Subject: G++ 1.35.1- dumps core on multiply-defined subclass.
Message-ID: <8906151500.AA09505@kewill.uucp>
Date: 15 Jun 89 15:00:38 GMT
Sender: daemon@tut.cis.ohio-state.edu
Distribution: gnu
Organization: GNUs Not Usenet
Lines: 35


The example:

class Root { public:    virtual int foo(); };
class Object : public Root {};
class derived : public Object {};
class derived : public Object {};


The bug:

kewill% g++ -v bug4.cc
g++ version 1.35.1-
 /usr/local/lib/gcc-cpp -+ -v -undef -D__GNU__ -D__GNUG__ -D__cplusplus -Dmc68000 -Dsun -Duni
x -D__mc68000__ -D__sun__ -D__unix__ -D__HAVE_68881__ -Dmc68020 bug4.cc /tmp/cca09455.cpp
GNU CPP version 1.35
 /usr/local/lib/gcc-cc1plus /tmp/cca09455.cpp -quiet -dumpbase bug4.cc -noreg -version -o /tm
p/cca09455.s
GNU C++ version 1.35.1- (68k, MIT syntax) compiled by GNU C version 1.35.
bug4.cc:4: redeclaration of derivation chain of type `derived'
bug4.cc:4: redefinition of `struct derived'
bug4.cc:5: Segmentation violation
g++: Program cc1plus got fatal signal 11.


System is a Sun 3/280, running SunOS 3.5.

ET++ porting still going strong; drop me a line if you want
to compare notes.

Bryan Boreham           bryan@kewill.uucp  (in England)
Software Engineer       {Atlantic Ocean} ... !mcvax!ukc!root44!kewill!bryan
Kewill Systems PLC      Work: (+44) 932 248 328

Bryan's Law: "It always takes less time to do it properly."