breakage Re: cse infinite loop bugfix

Jason Merrill
Mon Aug 2 22:44:00 GMT 1999

This breaks building of libgcc2 on linux/x86; we crash compiling _eh.o with
a reload failure.  cse is now discarding a pseudo-reg in favor of leaving a
value in %eax, and reload bails out when it goes to use %eax and finds that
it's already occupied.

This happens because if we update p to be the first non-deleted insn, it
doesn't get checked, so we only have a 50% chance to see the next label or


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