https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70980
Bug ID: 70980
Summary: ICE pre_and_rev_post_order_compute, at cfganal.c:1056
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
Target Milestone: ---
Host: i386-pc-solaris2.1[012], x86_64-pc-linux-gnu
Target: i386-pc-solaris2.1[012], x86_64-pc-linux-gnu
Build: i386-pc-solaris2.1[012], x86_64-pc-linux-gnu
Between 20160504 and 20160505, g++.dg/pr62079.C began to FAIL on Linux/x86_64
and Solaris/x86, only for 64-bit:
FAIL: g++.dg/pr62079.C (internal compiler error)
FAIL: g++.dg/pr62079.C (test for excess errors)
Excess errors:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/pr62079.C:78:1: internal
compiler error: in pre_and_rev_post_order_compute, at cfganal.c:1056
0x8b6760e pre_and_rev_post_order_compute(int*, int*, bool)
/vol/gcc/src/hg/trunk/local/gcc/cfganal.c:1055
0x8b35001 init_alias_analysis()
/vol/gcc/src/hg/trunk/local/gcc/alias.c:3252
0x96134df sched_init()
/vol/gcc/src/hg/trunk/local/gcc/haifa-sched.c:7369
0x9614b75 haifa_sched_init()
/vol/gcc/src/hg/trunk/local/gcc/haifa-sched.c:7406
0x8f02a1e schedule_insns()
/vol/gcc/src/hg/trunk/local/gcc/sched-rgn.c:3504
0x8f0323b schedule_insns()
/vol/gcc/src/hg/trunk/local/gcc/sched-rgn.c:3498
0x8f0323b rest_of_handle_sched2
/vol/gcc/src/hg/trunk/local/gcc/sched-rgn.c:3737
0x8f0323b execute
/vol/gcc/src/hg/trunk/local/gcc/sched-rgn.c:3873
Rainer
