new gcc bug

[Paul Zimmermann]

   From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
   Date: 23 Jun 2003 18:09:23 +0200

   Paul.Zimmermann@loria.fr (Paul Zimmermann) writes:

   int main()  {
       unsigned long c = 70423129, q;
       q = (~((unsigned long) 0)) / c;
       printf ("q=%lu\n", q);
   }

   > gcc version 3.2 20020329 (experimental)

   > Given output:
   > bash-2.04$ ./a.out
   > q=4243519447
   > 
   > Expected output:
   > bash-2.04$ cc bug.c; ./a.out
   > q=60

   I cannot reproduce this on ia64-linux with gcc 3.2.3 (or any other
   release). Note that the correct result is 261941557207, not 60, since
   long has 64 bit on ia64.

But under ia64-hpux, long has only 32 bits:

  printf ("sizeof(unsigned long)=%u\n", sizeof(unsigned long));
  printf ("sizeof(unsigned long long)=%u\n", sizeof(unsigned long long));

sizeof(unsigned long)=4
sizeof(unsigned long long)=8

   Please try to reproduce this bug with our current release (3.3). If it
   is still there, please enter it into our database at
   http://gcc.gnu.org/bugzilla/.

Unfortunately I cannot find gcc-3.3 on spe175.testdrive.hp.com.

Paul