https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82160
Bug ID: 82160 Summary: [8 Regression] Mysterious testsuite failures Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com Target Milestone: --- On x86-64, bootstrap with -O3, r251917 gave FAIL: ext/special_functions/hyperg/check_nan.cc (test for excess errors) FAIL: ext/special_functions/hyperg/check_value.cc (test for excess errors) FAIL: ext/stdio_sync_filebuf/char/12048-3.cc (test for excess errors) FAIL: ext/stdio_sync_filebuf/char/12048-4.cc (test for excess errors) FAIL: ext/stdio_sync_filebuf/char/35209.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 (test for excess errors) 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_global.cc (test for excess errors) FAIL: ext/throw_allocator/deallocate_local.cc (test for excess errors) FAIL: gcc.target/i386/mpx/return-struct-6-ubv.c -O1 (test for excess errors) FAIL: gcc.target/i386/mpx/return-struct-6-ubv.c -O2 (test for excess errors) FAIL: gcc.target/i386/mpx/return-struct-6-ubv.c -O3 -g (test for excess errors) There were no compiler error messages. GCC simply returns -1.