+2007-01-30 Dirk Mueller <dmueller@suse.de>
+
+ PR c++/30601
+ * doc/invoke.texi (-Wreturn-type): Update description to
+ match new behavior.
+
2007-01-30 Richard Sandiford <richard@codesourcery.com>
* cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
@code{int}. Also warn about any @code{return} statement with no
return-value in a function whose return-type is not @code{void}.
-For C, also warn if the return type of a function has a type qualifier
-such as @code{const}. Such a type qualifier has no effect, since the
-value returned by a function is not an lvalue. ISO C prohibits
-qualified @code{void} return types on function definitions, so such
-return types always receive a warning even without this option.
+Also warn if the return type of a function has a type qualifier
+such as @code{const}. For ISO C such a type qualifier has no effect,
+since the value returned by a function is not an lvalue.
+For C++, the warning is only emitted for scalar types or @code{void}.
+ISO C prohibits qualified @code{void} return types on function
+definitions, so such return types always receive a warning
+even without this option.
For C++, a function without return type always produces a diagnostic
message, even when @option{-Wno-return-type} is specified. The only