[Bug tree-optimization/64807] [5 Regression] Wrong-code because of wide-int division

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64807

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Jan 27 08:26:13 2015
New Revision: 220153

URL: https://gcc.gnu.org/viewcvs?rev=220153&root=gcc&view=rev
Log:
    PR tree-optimization/64807
    * wide-int.cc (wi::divmod_internal): Clear
    b_dividend[dividend_blocks_needed].

    * gcc.dg/pr64807.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr64807.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/wide-int.cc