This was changed in response to bug 8586, but the manual still says -Wwrite-strings ... Otherwise, it will just be a nuisance; this is why we did not make -Wall request these warnings.
Btw: How do I turn the warnings from write-strings into errors together with -Wall? -- Summary: -Wall includes -Wwrite-strings Product: gcc Version: 4.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: martin at oneiros dot de http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35648