https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89264
Bug ID: 89264 Summary: Incorrect bitfield type in -Wconversion warnings Product: gcc Version: 7.4.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: pskocik at gmail dot com Target Milestone: --- void f() { struct{ unsigned x:1; }x = { (unsigned){0} }; } warns about a conversion to `unsigned char:1`. It should say `unsigned int:1`.