https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79246
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- I don't see that error now, but do see these: FAIL: 27_io/ios_base/failure/cxx11.cc (test for excess errors) Excess errors: /usr/bin/ld: Dwarf Error: found dwarf version '5', this reader only handles version 2, 3 and 4 information. cxx11.cc:(.text._Z6test02v+0x13): undefined reference to `std::__8::iostream_category()' cxx11.cc:(.text._Z6test01v+0x104): undefined reference to `std::__8::iostream_category()' collect2: error: ld returned 1 exit status UNRESOLVED: 27_io/ios_base/failure/cxx11.cc compilation failed to produce executable FAIL: 22_locale/codecvt/char16_t-char8_t.cc (test for excess errors) Excess errors: /usr/bin/ld: Dwarf Error: found dwarf version '5', this reader only handles version 2, 3 and 4 information. char16_t-char8_t.cc:(.text._Z6test01v+0x25): undefined reference to `_ZNSt3__87codecvtIDsDu11__mbstate_tE2idE' char16_t-char8_t.cc:(.text._Z6test01v+0x6b): undefined reference to `_ZNSt3__87codecvtIDsDu11__mbstate_tE2idE' collect2: error: ld returned 1 exit status UNRESOLVED: 22_locale/codecvt/char16_t-char8_t.cc compilation failed to produce executable FAIL: 22_locale/codecvt/char32_t-char8_t.cc (test for excess errors) Excess errors: /usr/bin/ld: Dwarf Error: found dwarf version '5', this reader only handles version 2, 3 and 4 information. char32_t-char8_t.cc:(.text._Z6test01v+0x25): undefined reference to `_ZNSt3__87codecvtIDiDu11__mbstate_tE2idE' char32_t-char8_t.cc:(.text._Z6test01v+0x6b): undefined reference to `_ZNSt3__87codecvtIDiDu11__mbstate_tE2idE' collect2: error: ld returned 1 exit status UNRESOLVED: 22_locale/codecvt/char32_t-char8_t.cc compilation failed to produce executable FAIL: 22_locale/codecvt/utf8-char8_t.cc (test for excess errors) Excess errors: /usr/bin/ld: Dwarf Error: found dwarf version '5', this reader only handles version 2, 3 and 4 information. utf8-char8_t.cc:(.text._Z4testIDsEvPKT_[_Z4testIDsEvPKT_]+0x52): undefined reference to `_ZNSt3__87codecvtIDsDu11__mbstate_tE2idE' utf8-char8_t.cc:(.text._Z4testIDiEvPKT_[_Z4testIDiEvPKT_]+0x5b): undefined reference to `_ZNSt3__87codecvtIDiDu11__mbstate_tE2idE' collect2: error: ld returned 1 exit status UNRESOLVED: 22_locale/codecvt/utf8-char8_t.cc compilation failed to produce executable
