Article View: gnu.g++.bug
Article #1810Bug -> Warning?
From: zhao
Date: Sun, 19 Mar 1989 19:12
Date: Sun, 19 Mar 1989 19:12
38 lines
1733 bytes
1733 bytes
Should g++ emit warning against the bug shown in the following program?
I am running g++-1.34.1 on a SUN3/60M OS4.0.1.
[1]: cat bug.c
class base;
class base {
private:
base *next;
public:
base (void);
#ifndef BUG
void Insert (base* elem);
#else
void Insert (base*& elem);
#endif
};
void main (void) {
base* FOO = new base ();
FOO->Insert (new base());
}
[2]: g++ -c -v bug.c
g++ version 1.34.1
/home/wiener/local/lib/gcc-cpp -+ -v -undef -D__GNU__ -D__GNUG__ -Dmc68000 -Dsun -Dunix -D__mc68000__ -D__sun__ -D__unix__ -D__HAVE_68881__ -Dmc68020 bug.c /tmp/cca02876.cpp
GNU CPP version 1.34
/home/wiener/local/lib/gcc-c++ /tmp/cca02876.cpp -quiet -dumpbase bug.c -version -o /tmp/cca02876.s
GNU C++ version 1.34.1 (68k, MIT syntax) compiled by GNU C version 1.34.
as -mc68020 /tmp/cca02876.s -o bug.o
[3]: g++ -c -DBUG -v bug.c
g++ version 1.34.1
/home/wiener/local/lib/gcc-cpp -+ -v -DBUG -undef -D__GNU__ -D__GNUG__ -Dmc68000 -Dsun -Dunix -D__mc68000__ -D__sun__ -D__unix__ -D__HAVE_68881__ -Dmc68020 bug.c /tmp/cca02880.cpp
GNU CPP version 1.34
/home/wiener/local/lib/gcc-c++ /tmp/cca02880.cpp -quiet -dumpbase bug.c -version -o /tmp/cca02880.s
GNU C++ version 1.34.1 (68k, MIT syntax) compiled by GNU C version 1.34.
In function void main ():
bug.c:18: Segmentation violation
Program c++ got fatal signal 11.
Technical Details
Message-ID:
<15973@oberon.USC.EDU>Path:
arc1-ca.pugleaf.net!utzoo!telly!attcan!uunet!bu-cs!bloom-beacon!oberon!wiener.usc.edu!zhaoShow Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!telly!attcan!uunet!bu-cs!bloom-beacon!oberon!wiener.usc.edu!zhao From: zhao@wiener.usc.edu Newsgroups: gnu.g++.bug Subject: Bug -> Warning? Message-ID: <15973@oberon.USC.EDU> Date: 19 Mar 89 19:12:05 GMT Sender: news@oberon.USC.EDU Reply-To: zhao@wiener.usc.edu Distribution: gnu Organization: University of Southern California Lines: 38