Hi,
Jason Merrill <ja...@redhat.com> ha scritto: >On 06/12/2013 11:58 AM, Paolo Carlini wrote: >> - && TREE_CODE (TREE_TYPE (decl)) != REFERENCE_TYPE >> + && TREE_CODE (type) != REFERENCE_TYPE > >This change is wrong; we specifically want to suppress the >unused-but-set warning for reference variables. Drop it and the patch >is OK. I understand the general issue, but I'm not sure we can't use 'type' here: we don't even consider emitting the unused-but-set warning when TREE_USED (decl) is false and in this case I don't call non_reference at the outset. I think ;) Paolo
