https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83986
Bug ID: 83986
Summary: [8 Regression] ICE in maybe_record_trace_start, at
dwarf2cfi.c:2348
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: powerpc-*-linux-gnu, powerpcspe-*-linux-gnu
gcc-8.0.0-alpha20180121 snapshot (r256935) ICEs when compiling the following
snippet w/ -O2 -fsched2-use-superblocks -funwind-tables --param
max-pending-list-length=0 (=1):
int jl;
int
uo (int qf)
{
jl &= !!jl && !!qf;
if (jl != 0)
uo (0);
return 0;
}
% powerpc-e300c3-linux-gnu-gcc-8.0.0-alpha20180121 -O2 -fsched2-use-superblocks
-funwind-tables --param max-pending-list-length=0 -c wv0byfw3.c
during RTL pass: dwarf2
wv0byfw3.c: In function 'uo':
wv0byfw3.c:11:1: internal compiler error: in maybe_record_trace_start, at
dwarf2cfi.c:2348
}
^
0x7c35ec maybe_record_trace_start
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/dwarf2cfi.c:2348
0x7c5d56 scan_trace
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/dwarf2cfi.c:2541
0x7c64c7 create_cfi_notes
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/dwarf2cfi.c:2694
0x7c64c7 execute_dwarf2_frame
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/dwarf2cfi.c:3057
0x7c64c7 execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-8.0.0_alpha20180121/work/gcc-8-20180121/gcc/dwarf2cfi.c:3545
