------- Additional Comments From schlie at comcast dot net 2005-02-17 23:37 ------- (In reply to comment #2) > The problem is that we reset TREE_OVERFLOW:
It would seem it overflows incremented, and underflow's decremented, only a terminal non-zero count would represent an over/underflow for addition/subtraction, (as an intermediate over/underflow is not observable)? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19978