[Bug target/83785] New: sh: ICE in maybe_record_trace_start, at dwarf2cfi.c:2344

[sebastian.huber@embedded-brains.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83785

            Bug ID: 83785
           Summary: sh: ICE in maybe_record_trace_start, at
                    dwarf2cfi.c:2344
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sebastian.huber@embedded-brains.de
  Target Milestone: ---

Created attachment 43097
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43097&action=edit
Test case.

/home/sh/b-gcc-sh/./gcc/xgcc -B/home/sh/b-gcc-sh/./gcc/ -c matmul_i8.i -O2 -g
-funroll-loops --param max-unroll-times=4
during RTL pass: dwarf2
/home/sh/src/gcc/libgfortran/generated/matmul_i8.c: In function 'matmul_i8':
/home/sh/src/gcc/libgfortran/generated/matmul_i8.c:2922:1: internal compiler
error: in maybe_record_trace_start, at dwarf2cfi.c:2344
 }
 ^
0x102bef2f maybe_record_trace_start
        /home/sh/src/gcc/gcc/dwarf2cfi.c:2344
0x102bf587 create_trace_edges
        /home/sh/src/gcc/gcc/dwarf2cfi.c:2440
0x102c40b7 scan_trace
        /home/sh/src/gcc/gcc/dwarf2cfi.c:2653
0x102c4c77 create_cfi_notes
        /home/sh/src/gcc/gcc/dwarf2cfi.c:2679
0x102c4c77 execute_dwarf2_frame
        /home/sh/src/gcc/gcc/dwarf2cfi.c:3037
0x102c4c77 execute
        /home/sh/src/gcc/gcc/dwarf2cfi.c:3525
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.