[Bug tree-optimization/54676] [4.8 Regression] ICE: in set_value_range, at tree-vrp.c:433

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54676



--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-09-25 
12:46:59 UTC ---

Author: jakub

Date: Tue Sep 25 12:46:54 2012

New Revision: 191703



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191703

Log:

    PR tree-optimization/54676

    * tree-vrp.c (set_and_canonicalize_value_range): Handle

    one bit precision properly.



    * gcc.dg/pr54676.c: New test.



Added:

    trunk/gcc/testsuite/gcc.dg/pr54676.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/testsuite/ChangeLog

    trunk/gcc/tree-vrp.c