[Bug tree-optimization/70614] [4.9/5/6 Regression] GCC gets stuck with -O
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Apr 14 13:22:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70614
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Apr 14 13:21:40 2016
New Revision: 234972
URL: https://gcc.gnu.org/viewcvs?rev=234972&root=gcc&view=rev
Log:
2016-04-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/70614
* tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
loop if the evolution dropped to chrec_dont_know.
(interpret_condition_phi): Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-scalar-evolution.c
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