https://bugs.kde.org/show_bug.cgi?id=440502

            Bug ID: 440502
           Summary: valgrind 3.17 on RHEL 6.x: rdseed is not supported by
                    GNU as
           Product: valgrind
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: vex
          Assignee: jsew...@acm.org
          Reporter: pesec.il+...@gmail.com
  Target Milestone: ---

SUMMARY

While compiling valgrind 3.17 on RHEL6/OracleLinux6, the GNU Assembly does not
recognize 'rdseed' mnemonics:
priv/guest_amd64_helpers.c:3799: Error: no such instruction: `rdseed %r11d'


STEPS TO REPRODUCE

1. Use RHEL6/OracleLinux6 (gcc 4.4.7, binutils 2.20.51)
2. ./configure && make


OBSERVED RESULT

"make" fails:
priv/guest_amd64_helpers.c:3799: Error: no such instruction: `rdseed %r11d'


EXPECTED RESULT

"make" was expected to succeed


SOFTWARE/OS VERSIONS

RHEL 6.10 or Oracle Linux 6.10

$ cat /etc/redhat-release
Red Hat Enterprise Linux Server release 6.10 (Santiago)

$ gcc --version
gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
Copyright (C) 2010 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.

$ as --version
GNU assembler version 2.20.51.0.2-5.48.0.3.el6_10.1 20100205
Copyright 2009 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or later.
This program has absolutely no warranty.
This assembler was configured for a target of `x86_64-redhat-linux'. 


ADDITIONAL INFORMATION

The Red Hat Enterprise Linux 6.x has an End of Extended Lifecycle Support on   
30 June 2024. Oracle Linux 6.x also has its Extended Support ending on June
2024. These OS versions are being used now.

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