https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114101
--- Comment #9 from John David Anglin <danglin at gcc dot gnu.org> --- These two fails are different and not addressed by patch: FAIL: std/text_encoding/cons.cc -std=gnu++26 (test for excess errors) UNRESOLVED: std/text_encoding/cons.cc -std=gnu++26 compilation failed to produce executable FAIL: std/text_encoding/requirements.cc -std=gnu++26 (test for excess errors) FAIL: std/text_encoding/cons.cc -std=gnu++26 (test for excess errors) Excess errors: /home/dave/gnu/gcc/gcc/libstdc++-v3/testsuite/std/text_encoding/cons.cc:12: erro r: 'text_encoding' is not a member of 'std' /home/dave/gnu/gcc/gcc/libstdc++-v3/testsuite/std/text_encoding/cons.cc:13: erro r: 'e0' was not declared in this scope; did you mean 'y0'? [...]