https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114780
Bug ID: 114780 Summary: Using C23 nullptr as sentinel gives missing sentinel warning Product: gcc Version: 13.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cazfi74 at gmail dot com Target Milestone: --- Created attachment 57988 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57988&action=edit Minimum testcase Compiling attached code with "gcc -std=c2x -Wformat -c nullptrsentinel.c" produces warning: nullptrsentinel.c: In function ‘caller’: nullptrsentinel.c:5:3: warning: missing sentinel in function call [-Wformat=] 5 | sentinental(nullptr);