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Subject: [Bug analyzer/106383] False positives from
 -Wanalyzer-va-list-exhausted
Date: Thu, 21 Jul 2022 21:30:27 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106383

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalcolm@gcc.gnu.org>:

https://gcc.gnu.org/g:b852aa7f265424c8e2036899da5d8306ff06a16c

commit r13-1786-gb852aa7f265424c8e2036899da5d8306ff06a16c
Author: David Malcolm <dmalcolm@redhat.com>
Date:   Thu Jul 21 17:29:26 2022 -0400

    analyzer: fix -Wanalyzer-va-list-exhausted false +ve on va_arg in
subroutine [PR106383]

    gcc/analyzer/ChangeLog:
            PR analyzer/106383
            * varargs.cc (region_model::impl_call_va_arg): When determining=
 if
            we're doing interprocedural analysis, use the stack depth of the
            frame in which va_start was called, rather than the current sta=
ck
            depth.

    gcc/testsuite/ChangeLog:
            PR analyzer/106383
            * gcc.dg/analyzer/stdarg-3.c: New test.

    Signed-off-by: David Malcolm <dmalcolm@redhat.com>=