Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!UUNET.UU.NET!jclark!jjc
From: jclark!jjc@UUNET.UU.NET (James Clark)
Newsgroups: gnu.g++.bug
Subject: -fstrength-reduce problem
Message-ID: <8906121916.AA23238@jclark.uucp>
Date: 12 Jun 89 19:16:11 GMT
Sender: daemon@tut.cis.ohio-state.edu
Distribution: gnu
Organization: GNUs Not Usenet
Lines: 30

-fstrength-reduce loses on the following:

Script started on Mon Jun 12 20:14:14 1989
jclark% cat bug.c
class A {
  static A *list;
  A *next;
  int n;
 public:
  void foo();
};

void A::foo()
{
  for (int i = 0; i < 1024; i++)
    list[i].next = list + i + 1;
}
jclark% g++ -O -fstrength-reduce -c -v bug.c
g++ version 1.35.1-
 /usr/local/lib/gcc-cpp -+ -v -undef -D__GNU__ -D__GNUG__ -D__cplusplus -Dsparc -Dsun -Dunix -D__sparc__ -D__sun__ -D__unix__ -D__OPTIMIZE__ bug.c /tmp/cca23235.cpp
GNU CPP version 1.35
 /usr/local/lib/gcc-cc1plus /tmp/cca23235.cpp -quiet -dumpbase bug.c -fstrength-reduce -opt -version -o /tmp/cca23235.s
GNU C++ version 1.35.1- (sparc) compiled by GNU C version 1.35.
g++: Program cc1plus got fatal signal 6.
jclark% exit
jclark% 
script done on Mon Jun 12 20:14:34 1989

James Clark
jjc@jclark.uucp