https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68331
--- Comment #7 from vries at gcc dot gnu.org --- (In reply to vries from comment #6) > (In reply to vries from comment #5) > > libstdc++.sum:FAIL: experimental/filesystem/path/concat/strings.cc execution > > The test doesn't pass when compiled from the command line with -fno-ipa-pta. Conversly, the test doesn't fail with -fipa-pta for a build with -fno-ipa-pta as default. So it looks indeed like a library miscompilation.
