On Sat, Dec 08, 2018 at 06:46:27PM +0200, Ville Voutilainen wrote: > On Thu, 6 Dec 2018 at 23:12, Jason Merrill <ja...@redhat.com> wrote: > > > > -Wdeprecated-copy does find some real bugs, but it also complains > > about a lot of reasonable code for which the implicitly declared copy > > ctor/op= are fine oven though the class has a user-defined destructor: > > this situation is only problematic if the destructor releases > > resources held in one of the non-static data members. > > > > So, this patch reins it in somewhat: first by moving from -Wall to > > -Wextra, and then also only complaining if the other copy op is > > user-declared. The old behavior can be explicitly requested with > > -Wdeprecated-copy-dtor. > > Hmm. > > g++ -c -pipe -O2 -fPIC -std=c++1z -fvisibility=hidden > -fvisibility-inlines-hidden -ffunction-sections -fdata-sections > -fno-exceptions -Wall -W -Wvla -Wdate-time -Wshift-overflow=2
-W is an alias to -Wextra. > That doesn't have -Wextra. Yet the -Wdeprecated-copy still triggers. Jakub