https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88470
Bug ID: 88470
Summary: [9 Regression] ICE in maybe_record_trace_start, at
dwarf2cfi.c:2354
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-checking, ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: x86_64-unknown-linux-gnu
gcc-9.0.0-alpha20181202 snapshot (r266729) ICEs when compiling
gcc/testsuite/gcc.target/i386/pr55686.c w/ -maccumulate-outgoing-args -O2
-ftrapv -fno-ivopts -fno-reorder-blocks-and-partition:
% x86_64-unknown-linux-gnu-gcc-9.0.0-alpha20181202 -maccumulate-outgoing-args
-O2 -ftrapv -fno-ivopts -fno-reorder-blocks-and-partition -c
gcc/testsuite/gcc.target/i386/pr55686.c
during RTL pass: dwarf2
gcc/testsuite/gcc.target/i386/pr55686.c: In function 'foo':
gcc/testsuite/gcc.target/i386/pr55686.c:16:1: internal compiler error: in
maybe_record_trace_start, at dwarf2cfi.c:2354
16 | }
| ^
0x5f3d89 maybe_record_trace_start
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:2354
0x959746 scan_trace
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:2547
0x959ce3 create_cfi_notes
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:2700
0x959ce3 execute_dwarf2_frame
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:3064
0x959ce3 execute
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:3552
