Fix segfault on verify_dominators error path
authorAlan Modra <amodra@gmail.com>
Sat, 28 May 2016 09:16:00 +0000 (18:46 +0930)
committerAlan Modra <amodra@gcc.gnu.org>
Sat, 28 May 2016 09:16:00 +0000 (18:46 +0930)
commitbcfbf2577058906acb92663960d88aaf94d13775
tree7f09e195ecac1319fce72654c18fb5c78ca15315
parentcdfa2b24d2496f304c65bf48a6bc4f66bbc2e698
Fix segfault on verify_dominators error path

* dominance.c (verify_dominators): Don't segfault on NULL imm_bb.

From-SVN: r236845
gcc/ChangeLog
gcc/dominance.c