[Bug ipa/93015] [10 Regression] Segmentation fault (ipcp_store_vr_results(void))

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93015

--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Sat Dec 21 11:25:05 2019
New Revision: 279695

URL: https://gcc.gnu.org/viewcvs?rev=279695&root=gcc&view=rev
Log:
Avoid segfault when doing IPA-VRP but not IPA-CP (PR 93015)

2019-12-21  Martin Jambor  <mjambor@suse.cz>

        PR ipa/93015
        * ipa-cp.c (ipcp_store_vr_results): Check that info exists

        testsuite/
        * gcc.dg/lto/pr93015_0.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/lto/pr93015_0.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-cp.c
    trunk/gcc/testsuite/ChangeLog