https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88018
Bug ID: 88018
Summary: [8/9 Regression] ICE in insert_insn_on_edge at
cfgrtl.c:1952 since r255066
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: mpolacek at gcc dot gnu.org
Target Milestone: ---
Following is causing ICE:
$ g++ /home/marxin/Programming/gcc/gcc/testsuite/g++.dg/pr69667.C
-fsanitize=thread -fno-ipa-pure-const -O1 -fno-inline-functions-called-once
...
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/pr69667.C: In function ‘int
bracket_and_solve_root_01(F, T, bool, Tol, unsigned int, Policy) [with F =
D<long double, A>; T = long double; Tol = void (*)(); Policy = A]’:
/home/marxin/Programming/gcc/gcc/testsuite/g++.dg/pr69667.C:83:1: internal
compiler error: Segmentation fault
83 | }
| ^
0xf1d35f crash_signal
/home/marxin/Programming/gcc/gcc/toplev.c:325
0x7ffff6bc310f ???
/usr/src/debug/glibc-2.27-6.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0xb1217c insert_insn_on_edge(rtx_def*, edge_def*)
/home/marxin/Programming/gcc/gcc/cfgrtl.c:1952
0xb1526f fixup_abnormal_edges()
/home/marxin/Programming/gcc/gcc/cfgrtl.c:3343
0xe8d2ad convert_regs
/home/marxin/Programming/gcc/gcc/reg-stack.c:3260
0xe8d2ad reg_to_stack
/home/marxin/Programming/gcc/gcc/reg-stack.c:3371
0xe8d2ad rest_of_handle_stack_regs
/home/marxin/Programming/gcc/gcc/reg-stack.c:3426
0xe8d2ad execute
/home/marxin/Programming/gcc/gcc/reg-stack.c:3457
