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From: "daniel at constexpr dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/111159] New: [13 Regression] False positive
 -Wdangling-reference
Date: Fri, 25 Aug 2023 23:21:13 +0000
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X-Bugzilla-Type: new
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 13.2.0
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: daniel at constexpr dot org
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111159

            Bug ID: 111159
           Summary: [13 Regression] False positive -Wdangling-reference
           Product: gcc
           Version: 13.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: daniel at constexpr dot org
  Target Milestone: ---

GCC 13.2.0 as well as git from today report a false positive
-Wdangling-reference warning for the following C++ code:

struct A {
        int * i;
        int & b() { return *i; }
};

int g =3D 42;

A a() {
        return A{ &g };
}

int main() {
        const int & i =3D a().b();
        return i;
}=