On Fri, Feb 5, 2021 at 4:00 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Fri, 5 Feb 2021 12:22:18 -0800 Nick Desaulniers <ndesaulniers@xxxxxxxxxx> wrote: > > > We expect toolchains to produce these new debug info sections as part of > > DWARF v5. Add explicit placements to prevent the linker warnings from > > --orphan-section=warn. > > > > Compilers may produce such sections with explicit -gdwarf-5, or based on > > the implicit default version of DWARF when -g is used via DEBUG_INFO. > > This implicit default changes over time, and has changed to DWARF v5 > > with GCC 11. > > > > .debug_sup was mentioned in review, but without compilers producing it > > today, let's wait to add it until it becomes necessary. > > > > There isn't anything in this changelog which explains why a -stable > backport was requested? Or is there? Irritating linker warnings? > More than that? Users adopting GCC 11 will start to see warnings from the linker due to --orphan-section=warn when building the branches of the stable tree. Stable has IME accepted patches for permitting newer toolchains to continue to compile warning free. -- Thanks, ~Nick Desaulniers
