[Bug debug/84875] [6/7/8 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2348 on s390x

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84875

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|8.0                         |6.5
            Summary|[8 Regression] ICE in       |[6/7/8 Regression] ICE in
                   |maybe_record_trace_start,   |maybe_record_trace_start,
                   |at dwarf2cfi.c:2348 on      |at dwarf2cfi.c:2348 on
                   |s390x                       |s390x

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
But just configured with --enable-checking=yes build of 4.9.
./xgcc -B ./ --version; ./cc1 -quiet -Os -fpie -march=z196 pr84875.c -nostdinc
xgcc (GCC) 4.9.4 20160720 (prerelease)
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

pr84875.c: In function ‘f’:
pr84875.c:18:1: internal compiler error: in maybe_record_trace_start, at
dwarf2cfi.c:2239
 }
 ^
0x6514bc maybe_record_trace_start
        ../../gcc/dwarf2cfi.c:2239
0x65351e scan_trace
        ../../gcc/dwarf2cfi.c:2416
0x653b07 create_cfi_notes
        ../../gcc/dwarf2cfi.c:2570
0x653b07 execute_dwarf2_frame
        ../../gcc/dwarf2cfi.c:2925
0x653b07 execute
        ../../gcc/dwarf2cfi.c:3421
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