egcs 1.1 miscompiles TeX

[Jeffrey A Law]

  In message < Pine.LNX.4.02A.9809202005500.928-100000@octomino.demon.co.uk >you write:
  > egcs 1.1 on i686-pc-linux-gnu misoptimises TeX when compiling with -O2.
  > This bug has already been reported and reduced to a single function
  > <URL: http://www.cygnus.com/ml/egcs-bugs/1998-Jun/0550.html > but that bug
  > report did not include a self-contained testcase.  Below is the result of
  > preprocessing the file containing the offending function given in the
  > previous bug report (reported there as OK with -O2 -fno-force-mem,
  > miscompiled with -O2).  If this can't be fixed for egcs 1.1.1, perhaps a
  > note could be added in the FAQ giving the workaround (compile with -O or
  > -O2 -fno-force-mem, rather than -O2)?
We recently fixed a bug where the ppc port was mis-compiling part of
TeX.  Can you extract the diffs between revision 1.11 and 1.12 of gcse.c
via cvs (or cvsweb) and see if it fixes your problem?

[ I am planning on including that change in egcs-1.1.1. ]

jeff