https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112580
--- Comment #5 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> --- Not entirely, xtreme-header_b.C is still failing, as indicated above. See recently: https://gcc.gnu.org/pipermail/gcc-testresults/2024-January/805380.html FAIL: g++.dg/modules/xtreme-header-2_b.C -std=c++2b (test for excess errors) FAIL: g++.dg/modules/xtreme-header_b.C -std=c++2b (test for excess errors) Also, there are more failures with -m32 on the same x86_64-linux: FAIL: g++.dg/modules/xtreme-header-2_b.C -std=c++2b (test for excess errors) FAIL: g++.dg/modules/xtreme-header-2_c.C -std=c++2b (test for excess errors) FAIL: g++.dg/modules/xtreme-header-4_c.C -std=c++2b (test for excess errors) FAIL: g++.dg/modules/xtreme-header-5_c.C -std=c++2a (test for excess errors) FAIL: g++.dg/modules/xtreme-header-5_c.C -std=c++2b (test for excess errors) FAIL: g++.dg/modules/xtreme-header-6_c.C -std=c++2b (test for excess errors) FAIL: g++.dg/modules/xtreme-header_b.C -std=c++2b (test for excess errors)