Regressions on trunk at revision 254194 vs revision 254193

[H.J. Lu]

New failures:

New passes:
FAIL: ext/stdio_filebuf/char/79820.cc execution test
FAIL: ext/stdio_filebuf/char/81751.cc (test for excess errors)
FAIL: ext/stdio_filebuf/requirements/explicit_instantiation.cc (test for excess errors)
FAIL: ext/stdio_sync_filebuf/char/12048-1.cc (test for excess errors)
FAIL: ext/stdio_sync_filebuf/char/12048-2.cc (test for excess errors)
FAIL: ext/stdio_sync_filebuf/char/1.cc (test for excess errors)
FAIL: ext/stdio_sync_filebuf/wchar_t/12948-1.cc (test for excess errors)
FAIL: ext/stdio_sync_filebuf/wchar_t/12948-2.cc (test for excess errors)
FAIL: ext/stdio_sync_filebuf/wchar_t/12948-3.cc (test for excess errors)
FAIL: ext/stdio_sync_filebuf/wchar_t/12948-4.cc (test for excess errors)
FAIL: ext/stdio_sync_filebuf/wchar_t/1.cc execution test
FAIL: ext/stdio_sync_filebuf/wchar_t/35209.cc (test for excess errors)
FAIL: ext/throw_allocator/check_allocate_max_size.cc (test for excess errors)
FAIL: ext/throw_allocator/check_deallocate_null.cc (test for excess errors)
FAIL: ext/throw_allocator/check_delete.cc (test for excess errors)
FAIL: ext/throw_allocator/check_new.cc (test for excess errors)
FAIL: ext/throw_allocator/deallocate_local.cc (test for excess errors)
FAIL: ext/throw_allocator/explicit_instantiation.cc (test for excess errors)
FAIL: ext/throw_allocator/variadic_construct.cc (test for excess errors)
FAIL: ext/throw_value/cons.cc (test for excess errors)
FAIL: ext/type_traits/add_unsigned.cc (test for excess errors)
FAIL: ext/type_traits/add_unsigned_floating_neg.cc  (test for errors, line 28)
FAIL: ext/type_traits/add_unsigned_floating_neg.cc  (test for errors, line 33)
FAIL: ext/type_traits/add_unsigned_floating_neg.cc  (test for errors, line 71)
FAIL: ext/type_traits/add_unsigned_floating_neg.cc (test for excess errors)
FAIL: ext/type_traits/add_unsigned_integer_neg.cc  (test for errors, line 100)
FAIL: ext/type_traits/add_unsigned_integer_neg.cc  (test for errors, line 103)
FAIL: ext/type_traits/add_unsigned_integer_neg.cc  (test for errors, line 28)
FAIL: ext/type_traits/add_unsigned_integer_neg.cc  (test for errors, line 33)
FAIL: ext/type_traits/add_unsigned_integer_neg.cc  (test for errors, line 34)
FAIL: ext/type_traits/add_unsigned_integer_neg.cc (test for excess errors)
FAIL: ext/type_traits/remove_unsigned.cc (test for excess errors)
FAIL: ext/type_traits/remove_unsigned_floating_neg.cc  (test for errors, line 114)
FAIL: ext/type_traits/remove_unsigned_floating_neg.cc  (test for errors, line 28)
FAIL: ext/type_traits/remove_unsigned_floating_neg.cc  (test for errors, line 33)
FAIL: ext/type_traits/remove_unsigned_floating_neg.cc (test for excess errors)
FAIL: ext/type_traits/remove_unsigned_integer_neg.cc  (test for errors, line 143)
FAIL: ext/type_traits/remove_unsigned_integer_neg.cc  (test for errors, line 146)
FAIL: ext/type_traits/remove_unsigned_integer_neg.cc  (test for errors, line 28)
FAIL: ext/type_traits/remove_unsigned_integer_neg.cc  (test for errors, line 33)
FAIL: ext/type_traits/remove_unsigned_integer_neg.cc  (test for errors, line 34)
FAIL: ext/type_traits/remove_unsigned_integer_neg.cc (test for excess errors)
FAIL: ext/vstring/capacity/29134.cc (test for excess errors)
FAIL: ext/vstring/capacity/shrink_to_fit.cc (test for excess errors)
FAIL: ext/vstring/cons/noexcept_move_construct.cc (test for excess errors)
FAIL: ext/vstring/inserters_extractors/char/28277.cc (test for excess errors)
FAIL: ext/vstring/inserters_extractors/wchar_t/28277.cc (test for excess errors)
FAIL: ext/vstring/modifiers/clear/56166.cc (test for excess errors)
FAIL: ext/vstring/modifiers/erase/char/54577.cc (test for excess errors)
FAIL: ext/vstring/modifiers/erase/wchar_t/54577.cc (test for excess errors)
FAIL: ext/vstring/modifiers/insert/char/const_iterator.cc (test for excess errors)
FAIL: ext/vstring/modifiers/insert/wchar_t/const_iterator.cc (test for excess errors)
FAIL: ext/vstring/modifiers/pop_back/char/1.cc (test for excess errors)
FAIL: ext/vstring/modifiers/pop_back/wchar_t/1.cc (test for excess errors)
FAIL: ext/vstring/modifiers/replace/char/const_iterator.cc (test for excess errors)
FAIL: ext/vstring/modifiers/replace/wchar_t/const_iterator.cc (test for excess errors)
FAIL: ext/vstring/range_access.cc (test for excess errors)
FAIL: ext/vstring/requirements/do_the_right_thing.cc (test for excess errors)
FAIL: ext/vstring/requirements/dr438/constructor.cc (test for excess errors)
FAIL: ext/vstring/requirements/explicit_instantiation/1.cc (test for excess errors)
FAIL: ext/vstring/requirements/explicit_instantiation/2.cc (test for excess errors)
FAIL: ext/vstring/requirements/explicit_instantiation/char/1.cc (test for excess errors)
FAIL: gcc.target/i386/mpx/vla-1-lbv.c   -O0  (test for excess errors)
FAIL: gcc.target/i386/mpx/vla-1-lbv.c   -O1  (test for excess errors)
FAIL: gcc.target/i386/mpx/vla-1-lbv.c   -O2  (test for excess errors)
FAIL: special_functions/01_assoc_laguerre/compile_2.cc (test for excess errors)
FAIL: special_functions/02_assoc_legendre/check_nan.cc (test for excess errors)
FAIL: special_functions/02_assoc_legendre/check_value.cc (test for excess errors)
FAIL: special_functions/02_assoc_legendre/compile_2.cc (test for excess errors)
FAIL: special_functions/02_assoc_legendre/compile.cc (test for excess errors)
FAIL: special_functions/03_beta/check_nan.cc (test for excess errors)
FAIL: special_functions/03_beta/check_value.cc (test for excess errors)
FAIL: special_functions/03_beta/compile_2.cc (test for excess errors)
FAIL: special_functions/03_beta/compile.cc (test for excess errors)
FAIL: special_functions/04_comp_ellint_1/check_nan.cc (test for excess errors)
FAIL: special_functions/04_comp_ellint_1/check_value.cc (test for excess errors)
FAIL: special_functions/04_comp_ellint_1/compile_2.cc (test for excess errors)
FAIL: special_functions/04_comp_ellint_1/compile.cc (test for excess errors)
FAIL: special_functions/05_comp_ellint_2/check_nan.cc (test for excess errors)
FAIL: special_functions/05_comp_ellint_2/check_value.cc (test for excess errors)
FAIL: special_functions/05_comp_ellint_2/compile_2.cc (test for excess errors)
FAIL: special_functions/05_comp_ellint_2/compile.cc (test for excess errors)
FAIL: special_functions/06_comp_ellint_3/check_nan.cc (test for excess errors)
FAIL: special_functions/06_comp_ellint_3/compile_2.cc (test for excess errors)
FAIL: special_functions/07_cyl_bessel_i/check_nan.cc (test for excess errors)
FAIL: special_functions/07_cyl_bessel_i/check_value.cc (test for excess errors)