[Bug c++/98646] [11 Regression] A static_cast confuses -Wnonnull, causing false positives

mpolacek at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Jan 14 02:42:27 GMT 2021


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98646

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
// PR c++/98646
// { dg-do compile }
// { dg-options "-Wnonnull" }

struct B {
  void foo();
};
struct D : B {
  void show();
};
void D::show() { static_cast<D *>(0)->foo(); }


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