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From: "lsix at lancelotsix dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug mi/29426] FAIL: gdb.mi/mi-var-invalidate.exp: linteger not
 anymore in scope due to binary changes (unexpected output)
Date: Fri, 29 Jul 2022 09:28:58 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29426

Lancelot SIX <lsix at lancelotsix dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |lsix at lancelotsix dot com

--- Comment #1 from Lancelot SIX <lsix at lancelotsix dot com> ---
I could not see those issues on ubuntu-20.04 (gcc-9.4.0) nor ubuntu-22.04
(gcc-11.2.0).

I finally managed to reproduce it on opensuse/tumbleweed which uses gcc-12.=
1.1.

Turns out that if I compile the testcase with HEAD gcc (13.0.0) on ubuntu, I
can reproduce the issue:

```
$ $HOME/opt/gcc/bin/gcc --version
gcc (GCC) 13.0.0 20220729 (experimental)
Copyright =C2=A9 2022 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.

# make check-gdb \
    TESTS=3D"gdb.mi/mi-var-invalidate-shlib.exp gdb.mi/mi-var-invalidate.ex=
p" \
    RUNTESTFLAGS=3DCC_FOR_TARGET=3D$HOME/opt/gcc/bin/gcc
[...]
Running
/home/lsix/dev/binutils-gdb/_build/gdb/testsuite/../../../gdb/testsuite/gdb=
.mi/mi-var-invalidate-shlib.exp
...
FAIL: gdb.mi/mi-var-invalidate-shlib.exp: separate_debuginfo=3D0: in new pr=
ocess:
global_var recreated (unexpected output)
FAIL: gdb.mi/mi-var-invalidate-shlib.exp: separate_debuginfo=3D1: in new pr=
ocess:
global_var recreated (unexpected output)
Running
/home/lsix/dev/binutils-gdb/_build/gdb/testsuite/../../../gdb/testsuite/gdb=
.mi/mi-var-invalidate.exp
...
FAIL: gdb.mi/mi-var-invalidate.exp: linteger not anymore in scope due to bi=
nary
changes (unexpected output)
FAIL: gdb.mi/mi-var-invalidate.exp: no type for invalid variable linteger (=
1)
(unexpected output)

                =3D=3D=3D gdb Summary =3D=3D=3D

# of expected passes            56
# of unexpected failures        4
```

I=E2=80=99ll investigate further to see what changed in the compiler=E2=80=
=99s output.

--=20
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