https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96310
Bug ID: 96310 Summary: Ignoring Wnonnull via pragma gcc diagnostics still produces a unwanted note Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: romain.geissler at amadeus dot com Target Milestone: --- Hi, When trying to ignore some uses of null object which apparently are done on purpose in Boost::concept, I noticed that ignoring the Wnonnull warning via pragmas still produces an unwanted note giving the details of the callstack. See this (compiled with -Wnonnull): struct C { void method() {} }; void f() { #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wnonnull" static_cast<C*>(0)->method(); #pragma GCC diagnostic pop } generates the following compiler note output, while we did expect none: <source>: In function 'void f()': <source>:2:10: note: in a call to non-static member function 'void C::method()' 2 | void method() {} | ^~~~~~ Compiler returned: 0 Cheers, Romain