https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87029
--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Author: mpolacek Date: Sun Aug 26 16:45:51 2018 New Revision: 263863 URL: https://gcc.gnu.org/viewcvs?rev=263863&root=gcc&view=rev Log: PR c++/87029, Implement -Wredundant-move. * c.opt (Wredundant-move): New option. * typeck.c (treat_lvalue_as_rvalue_p): New function. (maybe_warn_pessimizing_move): Call convert_from_reference. Warn about redundant moves. * doc/invoke.texi: Document -Wredundant-move. * g++.dg/cpp0x/Wredundant-move1.C: New test. * g++.dg/cpp0x/Wredundant-move2.C: New test. * g++.dg/cpp0x/Wredundant-move3.C: New test. * g++.dg/cpp0x/Wredundant-move4.C: New test. Added: trunk/gcc/testsuite/g++.dg/cpp0x/Wredundant-move1.C trunk/gcc/testsuite/g++.dg/cpp0x/Wredundant-move2.C trunk/gcc/testsuite/g++.dg/cpp0x/Wredundant-move3.C trunk/gcc/testsuite/g++.dg/cpp0x/Wredundant-move4.C Modified: trunk/gcc/ChangeLog trunk/gcc/c-family/ChangeLog trunk/gcc/c-family/c.opt trunk/gcc/cp/ChangeLog trunk/gcc/cp/typeck.c trunk/gcc/doc/invoke.texi trunk/gcc/testsuite/ChangeLog
