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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug gcov-profile/114751] .gcda:stamp mismatch with notes file
Date: Wed, 17 Apr 2024 08:58:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114751

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
>From reading what the gcov code does it somehow means that the gcda and gcno
files were not created consistently.

You can use gcov-dump to check the stamp, for an example pair I have around
I see consistent stamps:

> gcov-dump-13 t.gcda=20
t.gcda:data:magic `gcda':version `B32*'
t.gcda:stamp 3774884159
t.gcda:checksum 2538568055
...

> gcov-dump-13 t.gcno
t.gcno:note:magic `gcno':version `B32*'
t.gcno:stamp 3774884159
t.gcno:checksum 0
...=