http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59675
Bug ID: 59675 Summary: -D_GLIBCXX_DEBUG asserts to stdout (it should stderr) Product: gcc Version: 4.8.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: jan.kratochvil at redhat dot com Target: x86_64-unknown-linux-gnu Created attachment 31570 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31570&action=edit Fix. __replacement_assert: __builtin_printf() -> __builtin_fprintf(stderr) Regular assert() prints to stderr. The fix works on a live system but it was not run on a testsuite.