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From: "mark at klomp dot org" <sourceware-bugzilla@sourceware.org>
To: dwz@sourceware.org
Subject: [Bug default/27400] New: odr tests fail with -gdwarf-5
Date: Fri, 12 Feb 2021 09:57:05 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27400

            Bug ID: 27400
           Summary: odr tests fail with -gdwarf-5
           Product: dwz
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: default
          Assignee: nobody at sourceware dot org
          Reporter: mark at klomp dot org
                CC: dwz at sourceware dot org
  Target Milestone: ---

$ gcc --version
gcc (GCC) 10.2.1 20201125 (Red Hat 10.2.1-9)
Copyright (C) 2020 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 2.35-18.fc33
Copyright (C) 2020 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'.

$ export CC=3D"gcc -gdwarf-5" CXX=3D"g++ -gdwarf-5"

$ make clean && make && make check

[...]
Running /home/mark/dwz/testsuite/dwz.tests/dwz-tests.exp ...
child process exited abnormally
FAIL: /home/mark/dwz/testsuite/dwz.tests/odr-class-ns.sh
child process exited abnormally
FAIL: /home/mark/dwz/testsuite/dwz.tests/odr-class.sh
child process exited abnormally
FAIL: /home/mark/dwz/testsuite/dwz.tests/odr-def-decl.sh
child process exited abnormally
FAIL: /home/mark/dwz/testsuite/dwz.tests/odr-loc.sh
child process exited abnormally
FAIL: /home/mark/dwz/testsuite/dwz.tests/odr-struct-ns.sh
child process exited abnormally
FAIL: /home/mark/dwz/testsuite/dwz.tests/odr-struct.sh
child process exited abnormally
FAIL: /home/mark/dwz/testsuite/dwz.tests/odr-union-ns.sh
child process exited abnormally
FAIL: /home/mark/dwz/testsuite/dwz.tests/odr-union.sh

                =3D=3D=3D dwz Summary =3D=3D=3D

# of expected passes            51
# of unexpected failures        8
[...]

The same can be seen with gcc11 from git trunk which defaults to -gdwarf-5 =
(so
you don't need any setting of CC or CXX).

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