https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67408
--- Comment #7 from Sebastian Huber <sebastian.hu...@embedded-brains.de> --- (In reply to Jonathan Wakely from comment #6) > (In reply to Sebastian Huber from comment #4) > > Sorry, I should have linked my patch: > > > > https://gcc.gnu.org/ml/gcc-patches/2015-09/msg00028.html > > AH yes, that would work too, and doesn't require the compiler to do any > overload resolution. > > N.B. all libstdc++ patches need to be CC'd to the libstdc++ list, I don't > read gcc-patches. I tested my patch on Linux, and it seems to work fine. I guess the pretty printer failures are not related to <mutex> since they are produced by gdb. Should I test your patches as well? My C++ knowledge is not good enough to judge which solution is better. Native configuration is x86_64-pc-linux-gnu === libstdc++ tests === Schedule of variations: unix Running target unix Using /usr/share/dejagnu/baseboards/unix.exp as board description file for target. Using /usr/share/dejagnu/config/unix.exp as generic interface file for target. Using /home/EB/sebastian_h/archive/gcc-git/libstdc++-v3/testsuite/config/default.exp as tool-and-target-specific interface file. Running /home/EB/sebastian_h/archive/gcc-git/libstdc++-v3/testsuite/libstdc++-abi/abi.exp ... Running /home/EB/sebastian_h/archive/gcc-git/libstdc++-v3/testsuite/libstdc++-dg/conformance.exp ... Running /home/EB/sebastian_h/archive/gcc-git/libstdc++-v3/testsuite/libstdc++-prettyprinters/prettyprinters.exp ... FAIL: libstdc++-prettyprinters/48362.cc print t1 FAIL: libstdc++-prettyprinters/48362.cc print t2 FAIL: libstdc++-prettyprinters/cxx11.cc print efl FAIL: libstdc++-prettyprinters/cxx11.cc print refl FAIL: libstdc++-prettyprinters/cxx11.cc print fl FAIL: libstdc++-prettyprinters/cxx11.cc print rfl FAIL: libstdc++-prettyprinters/cxx11.cc print eum FAIL: libstdc++-prettyprinters/cxx11.cc print reum FAIL: libstdc++-prettyprinters/cxx11.cc print eumm FAIL: libstdc++-prettyprinters/cxx11.cc print reumm FAIL: libstdc++-prettyprinters/cxx11.cc print eus FAIL: libstdc++-prettyprinters/cxx11.cc print reus FAIL: libstdc++-prettyprinters/cxx11.cc print eums FAIL: libstdc++-prettyprinters/cxx11.cc print reums FAIL: libstdc++-prettyprinters/cxx11.cc print uom FAIL: libstdc++-prettyprinters/cxx11.cc print ruom FAIL: libstdc++-prettyprinters/cxx11.cc print uomm FAIL: libstdc++-prettyprinters/cxx11.cc print ruomm FAIL: libstdc++-prettyprinters/debug.cc print str FAIL: libstdc++-prettyprinters/debug.cc print bs FAIL: libstdc++-prettyprinters/debug.cc print deq FAIL: libstdc++-prettyprinters/debug.cc print deqiter FAIL: libstdc++-prettyprinters/debug.cc print lst FAIL: libstdc++-prettyprinters/debug.cc print lstiter FAIL: libstdc++-prettyprinters/debug.cc print lstciter FAIL: libstdc++-prettyprinters/debug.cc print mp FAIL: libstdc++-prettyprinters/debug.cc print mpiter FAIL: libstdc++-prettyprinters/debug.cc print sp FAIL: libstdc++-prettyprinters/debug.cc print spciter FAIL: libstdc++-prettyprinters/debug.cc print sll FAIL: libstdc++-prettyprinters/debug.cc print slliter FAIL: libstdc++-prettyprinters/libfundts.cc print str FAIL: libstdc++-prettyprinters/libfundts.cc print o FAIL: libstdc++-prettyprinters/libfundts.cc print ob FAIL: libstdc++-prettyprinters/libfundts.cc print oi FAIL: libstdc++-prettyprinters/libfundts.cc print op FAIL: libstdc++-prettyprinters/libfundts.cc print om FAIL: libstdc++-prettyprinters/libfundts.cc print os FAIL: libstdc++-prettyprinters/libfundts.cc print a FAIL: libstdc++-prettyprinters/libfundts.cc print ab FAIL: libstdc++-prettyprinters/libfundts.cc print ai FAIL: libstdc++-prettyprinters/libfundts.cc print ap FAIL: libstdc++-prettyprinters/libfundts.cc print as FAIL: libstdc++-prettyprinters/libfundts.cc print as2 FAIL: libstdc++-prettyprinters/libfundts.cc print am FAIL: libstdc++-prettyprinters/shared_ptr.cc print esp FAIL: libstdc++-prettyprinters/shared_ptr.cc print ewp1 FAIL: libstdc++-prettyprinters/shared_ptr.cc print ewp2 FAIL: libstdc++-prettyprinters/shared_ptr.cc print sp1 FAIL: libstdc++-prettyprinters/shared_ptr.cc print wp1 FAIL: libstdc++-prettyprinters/shared_ptr.cc print wp2 FAIL: libstdc++-prettyprinters/simple.cc print str FAIL: libstdc++-prettyprinters/simple.cc print bs FAIL: libstdc++-prettyprinters/simple.cc print deq FAIL: libstdc++-prettyprinters/simple.cc print deqiter FAIL: libstdc++-prettyprinters/simple.cc print lst FAIL: libstdc++-prettyprinters/simple.cc print lstiter FAIL: libstdc++-prettyprinters/simple.cc print lstciter FAIL: libstdc++-prettyprinters/simple.cc print mp FAIL: libstdc++-prettyprinters/simple.cc print mpiter FAIL: libstdc++-prettyprinters/simple.cc print sp FAIL: libstdc++-prettyprinters/simple.cc print spciter FAIL: libstdc++-prettyprinters/simple.cc print sll FAIL: libstdc++-prettyprinters/simple.cc print slliter FAIL: libstdc++-prettyprinters/simple11.cc print str FAIL: libstdc++-prettyprinters/simple11.cc print bs FAIL: libstdc++-prettyprinters/simple11.cc print deq FAIL: libstdc++-prettyprinters/simple11.cc print deqiter FAIL: libstdc++-prettyprinters/simple11.cc print lst FAIL: libstdc++-prettyprinters/simple11.cc print lstiter FAIL: libstdc++-prettyprinters/simple11.cc print lstciter FAIL: libstdc++-prettyprinters/simple11.cc print mp FAIL: libstdc++-prettyprinters/simple11.cc print mpiter FAIL: libstdc++-prettyprinters/simple11.cc print sp FAIL: libstdc++-prettyprinters/simple11.cc print spciter FAIL: libstdc++-prettyprinters/simple11.cc print sll FAIL: libstdc++-prettyprinters/simple11.cc print slliter FAIL: libstdc++-prettyprinters/tr1.cc print eum FAIL: libstdc++-prettyprinters/tr1.cc print eumm FAIL: libstdc++-prettyprinters/tr1.cc print eus FAIL: libstdc++-prettyprinters/tr1.cc print eums FAIL: libstdc++-prettyprinters/tr1.cc print uom FAIL: libstdc++-prettyprinters/tr1.cc print uomm FAIL: libstdc++-prettyprinters/tr1.cc print uos FAIL: libstdc++-prettyprinters/tr1.cc print uoms FAIL: libstdc++-prettyprinters/whatis.cc whatis string_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ios_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis streambuf_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis istream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ostream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis iostream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis stringbuf_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis istringstream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ostringstream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis stringstream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis filebuf_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ifstream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ofstream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis fstream_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis streampos_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis regex_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis csub_match_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ssub_match_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis cmatch_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis smatch_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis cregex_iterator_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis sregex_iterator_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis cregex_token_iterator_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis sregex_token_iterator_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis u16string_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis u32string_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis minstd_rand0_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis minstd_rand_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis mt19937_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis mt19937_64_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ranlux24_base_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ranlux48_base_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ranlux24_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis ranlux48_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis knuth_b_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis seq1_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis seq2_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis assoc1_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis assoc2_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis unord1_holder FAIL: libstdc++-prettyprinters/whatis.cc whatis unord2_holder Running /home/EB/sebastian_h/archive/gcc-git/libstdc++-v3/testsuite/libstdc++-xmethods/xmethods.exp ... === libstdc++ Summary === # of expected passes 10718 # of unexpected failures 126 # of expected failures 66 # of unsupported tests 232
