[Bug debug/88308] New: ICE in maybe_record_trace_start, at dwarf2cfi.c:2309

["asolokha at gmx dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88308

            Bug ID: 88308
           Summary: ICE in maybe_record_trace_start, at dwarf2cfi.c:2309
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: debug
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: powerpc-*-linux-gnu

gcc-9.0.0-alpha20181202 snapshot (r266729) ICEs when compiling
gcc/testsuite/gcc.c-torture/execute/pr58574.c w/ -O2 -fselective-scheduling
-fno-gcse -g --param max-cse-insns=3:

% powerpc-e300c3-linux-gnu-gcc-9.0.0-alpha20181202 -O2 -fselective-scheduling
-fno-gcse -g --param max-cse-insns=3 -c
gcc/testsuite/gcc.c-torture/execute/pr58574.c
during RTL pass: dwarf2
gcc/testsuite/gcc.c-torture/execute/pr58574.c: In function 'foo':
gcc/testsuite/gcc.c-torture/execute/pr58574.c:203:1: internal compiler error:
in maybe_record_trace_start, at dwarf2cfi.c:2309
  203 | }
      | ^
0x94636b maybe_record_trace_start
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:2309
0x9467ea create_trace_edges
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:2450
0x9486c5 scan_trace
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:2674
0x948fdf create_cfi_notes
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:2700
0x948fdf execute_dwarf2_frame
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:3064
0x948fdf execute
       
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/dwarf2cfi.c:3552