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