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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
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From: Kevin Buettner <kevinb@redhat.com>
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Date: Wed, 8 Apr 2020 16:15:52 -0400
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Subject: gdb-rhbz1818011-bfd-gcc10-error.patch
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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;; Fix int conversion error from bfd/elf.c when compiling with gcc 10
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Original commit message from H.J. Lu <hjl.tools@gmail.com> is below:
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bfd: Change num_group to unsigned int
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elf.c failed with to with GCC 10 as of
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commit 906b3eb9df6c577d3f6e9c3ea5c9d7e4d1e90536
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Author: Martin Liska <mliska@suse.cz>
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Date: Tue Mar 24 11:40:10 2020 +0100
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Improve endianess detection.
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PR lto/94249
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* plugin-api.h: Add more robust endianess detection.
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binutils-gdb/bfd/elf.c: In function ‘setup_group’:
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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]
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740 | elf_tdata (abfd)->num_group = num_group = -1;
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| ^~~~~~~~~
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cc1: all warnings being treated as errors
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make[2]: *** [Makefile:1608: elf.lo] Error 1
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Change num_group in elf_obj_tdata to unsigned int to compile with GCC 10.
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PR binutils/25717
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* elf-bfd.h (elf_obj_tdata): Change num_group to unsigned int.
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diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
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--- a/bfd/elf-bfd.h
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+++ b/bfd/elf-bfd.h
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@@ -1937,7 +1937,7 @@ struct elf_obj_tdata
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struct sdt_note *sdt_note_head;
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Elf_Internal_Shdr **group_sect_ptr;
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- int num_group;
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+ unsigned int num_group;
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/* Index into group_sect_ptr, updated by setup_group when finding a
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section's group. Used to optimize subsequent group searches. */
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