https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81480
Bug ID: 81480 Summary: Assertion `ec' failed Product: gcc Version: 6.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: akhilesh.k at samsung dot com Target Milestone: --- While libstdc++ tests verification i found below summary report Is this expected ? Or fixed in latest versions === libstdc++ Summary === # of expected passes 10170 # of unexpected failures 6 # of expected failures 66 # of unsupported tests 612 runtest completed at Tue Jul 18 10:22:55 2017 ----------------------Fail logs -------------------- Line 8625: FAIL: abi/header_cxxabi.c (test for excess errors) Line 8710: FAIL: experimental/filesystem/iterators/directory_iterator.cc execution test Line 8714: FAIL: experimental/filesystem/iterators/recursive_directory_iterator.cc execution test Line 8734: FAIL: experimental/filesystem/operations/exists.cc execution test Line 8738: FAIL: experimental/filesystem/operations/is_empty.cc execution test Line 8750: FAIL: experimental/filesystem/operations/temp_directory_path.cc execution test testsuite/abi/header_cxxabi.c:21:20: fatal error: cxxabi.h: No such file or directory And others are related with void test01(): Assertion `ec' failed.