[Bug ipa/63838] [4.8/4.9/5 Regression] ipa-pure-const miscomputes can_throw

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63838

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Nov 12 23:09:15 2014
New Revision: 217449

URL: https://gcc.gnu.org/viewcvs?rev=217449&root=gcc&view=rev
Log:
    PR ipa/63838
    * ipa-pure-const.c (propagate_nothrow): Walk w->indirect_calls
    chain instead of node->indirect_calls.  Put !can_throw into
    conditions of all the loops.

    * g++.dg/ipa/pr63838.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ipa/pr63838.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-pure-const.c
    trunk/gcc/testsuite/ChangeLog