https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105997 --- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- If anybody wants to turn it into a proper bug report, the original commit (and description) is at https://github.com/zynaddsubfx/zynaddsubfx/commit/22a5f8da76c16c47c3814eedaec8f9fe0ff4248b