https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61229
Bug ID: 61229 Summary: warn_unused_result fails to work with member functions Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: plasmahh at gmx dot net Since gcc 4.5 (4.4 is fine) the following code will not emit any warning: struct A { __attribute__((warn_unused_result)) int callme( ) { return 42; } }; struct B { void foo( A& a ) { a.callme(); } };