[Bug tree-optimization/46675] [4.6 Regression] profiledbootstrap failed

hjl.tools at gmail dot com gcc-bugzilla@gcc.gnu.org
Sun Nov 28 17:13:00 GMT 2010


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46675

--- Comment #17 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-28 16:25:34 UTC ---
For

npairs = n - -2147483648;

VRP1 concludes

Value ranges after VRP:

i_1: [0, 0]
n_2(D): VARYING
npairs_3: VARYING

But for

npairs = n + 2147483648;

VRP1 concludes

Value ranges after VRP:

Value ranges after VRP:

i_1: [0, +INF]
n_2(D): VARYING
n.0_3: [0, +INF]
D.2691_4: [0, +INF]
npairs_5: VARYING



More information about the Gcc-bugs mailing list