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binutils testsuite pr21231b

This test is failing on x86_64-linux with --enable-targets=all.

../gas/as-new ~/src/binutils-gdb/binutils/testsuite/binutils-all/i386/pr21231b.s --32 -o tmpdir/i386temp.o
./objcopy   tmpdir/i386temp.o  tmpdir/i386copy.o
./objcopy: warning: tmpdir/i386temp.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000

./objcopy: warning: tmpdir/i386temp.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000001

echo $?

The problem is that the warning is being emitted during object

#0  _bfd_elf_parse_gnu_properties (abfd=abfd@entry=0xc91f40, note=note@entry=0x7fffffffd620) at /home/alan/src/binutils-gdb/bfd/elf-properties.c:171
#1  0x0000000000446bed in elfobj_grok_gnu_note (note=0x7fffffffd620, abfd=0xc91f40) at /home/alan/src/binutils-gdb/bfd/elf.c:9757
#2  elf_parse_notes (abfd=abfd@entry=0xc91f40, buf=0xca29e0 "\004", size=60, offset=52) at /home/alan/src/binutils-gdb/bfd/elf.c:10893
#3  0x000000000044a8a8 in _bfd_elf_make_section_from_shdr (abfd=0xc91f40, hdr=0xc92e68, name=<optimised out>, shindex=<optimised out>) at /home/alan/src/binutils-gdb/bfd/elf.c:1065
#4  0x00000000004491f1 in bfd_section_from_shdr (abfd=abfd@entry=0xc91f40, shindex=shindex@entry=4) at /home/alan/src/binutils-gdb/bfd/elf.c:2503
#5  0x000000000048312b in bfd_elf32_object_p (abfd=0xc91f40) at /home/alan/src/binutils-gdb/bfd/elfcode.h:804
#6  0x000000000042e7af in bfd_check_format_matches (abfd=abfd@entry=0xc91f40, format=format@entry=bfd_object, matching=matching@entry=0x7fffffffda98) at /home/alan/src/binutils-gdb/bfd/format.c:311

At this point, we are checking
 p abfd->xvec
$2 = (const struct bfd_target *) 0x826b00 <elf32_le_vec>

That's the generic ELF target, with no bed->parse_gnu_properties.
You can't emit errors/warnings in _bfd_elf_parse_gnu_properties except
for those that will occur for all targets.  Please fix.

Alan Modra
Australia Development Lab, IBM

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