The C++ frontend doesn't warn about superfluous const's in function return types like the following (even with -Wall -W -pedantic):
===================== const void bar(); const int foo(); ===================== This affects all compilers since 2.95.3. The C frontend does warn about such situations. -- Summary: Missing warning for superfluous const's in return types Product: gcc Version: 4.0.0 Status: UNCONFIRMED Keywords: diagnostic Severity: enhancement Priority: P2 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: reichelt at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18313