http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54767



--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-05 
12:54:17 UTC ---

Author: rguenth

Date: Tue Feb  5 12:54:12 2013

New Revision: 195754



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195754

Log:

2013-02-05  Richard Biener  <rguent...@suse.de>



    PR tree-optimization/54767

    * tree-vrp.c (vrp_visit_phi_node): For PHI arguments coming via

    backedges drop all symbolical range information.

    (execute_vrp): Compute backedges.



    * gfortran.fortran-torture/execute/pr54767.f90: New testcase.



Added:

   

branches/gcc-4_7-branch/gcc/testsuite/gfortran.fortran-torture/execute/pr54767.f90

Modified:

    branches/gcc-4_7-branch/gcc/ChangeLog

    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog

    branches/gcc-4_7-branch/gcc/tree-vrp.c

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