On Fri, Mar 18, 2016 at 11:14 AM, Jason Merrill <ja...@redhat.com> wrote: > On 03/10/2016 05:58 PM, Patrick Palka wrote: >> >> This patch reverses the behavior of process_outer_var_ref, so that we >> always implicitly capture a const variable if it's capturable, instead >> of always trying to first fold it to a constant. This behavior however >> is wrong too, and introduces a different but perhaps less important >> regression: if we implicitly capture by value a const object that is not >> actually odr-used within the body of the lambda, we may introduce a >> redundant call to its copy/move constructor, see pr70121-2.C. > > > In general I'm disinclined to trade one bug for another, and I'm skeptical > that the different regression is less important; I imagine that most uses of > const variables will be for their constant value rather than their address.
Okay, I may try to implement a complete fix for GCC 7 then.
