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bfd: Change num_group to unsigned int 

elf.c failed with to with GCC 10 as of

commit 906b3eb9df6c577d3f6e9c3ea5c9d7e4d1e90536
Author: Martin Liska <mliska@suse.cz>
Date:   Tue Mar 24 11:40:10 2020 +0100

    Improve endianess detection.

            PR lto/94249
            * plugin-api.h: Add more robust endianess detection.

binutils-gdb/bfd/elf.c: In function ‘setup_group’:
binutils-gdb/bfd/elf.c:740:35: error: overflow in conversion from ‘unsigned int’ to ‘int’ changes value from ‘num_group = 4294967295’ to ‘-1’ [-Werror=overflow]
  740 |     elf_tdata (abfd)->num_group = num_group = -1;
      |                                   ^~~~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [Makefile:1608: elf.lo] Error 1

Change num_group in elf_obj_tdata to unsigned int to compile with GCC 10.

	PR binutils/25717
	* elf-bfd.h (elf_obj_tdata): Change num_group to unsigned int.
This commit is contained in:
H.J. Lu 2020-03-24 04:52:39 -07:00
parent dfb68cc358
commit cda7e5603f
2 changed files with 6 additions and 1 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2020-03-24 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/25717
* elf-bfd.h (elf_obj_tdata): Change num_group to unsigned int.
2020-03-24 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/25708

2
bfd/elf-bfd.h
View File

@ -1953,7 +1953,7 @@ struct elf_obj_tdata
struct sdt_note *sdt_note_head;
Elf_Internal_Shdr **group_sect_ptr;
int num_group;
unsigned int num_group;
/* Index into group_sect_ptr, updated by setup_group when finding a
section's group. Used to optimize subsequent group searches. */