https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66848
--- Comment #3 from Jack Howarth <howarth.at.gcc at gmail dot com> --- The seg fault in staticrootstexst back traces as... # lldb ./staticrootstest (lldb) target create "./staticrootstest" Current executable set to './staticrootstest' (x86_64). (lldb) r Process 35905 launched: './staticrootstest' (x86_64) dyld: Library not loaded: /nowhere/libstaticrootslib.1.dylib Referenced from: /sw/src/fink.build/gcc5-5.1.1-1/darwin_objdir/x86_64-apple-darwin14.4.0/boehm-gc/testsuite/.libs/./staticrootstest Reason: image not found Process 35905 stopped * thread #1: tid = 0x20cf25, 0x00007fff5fc01075 dyld`dyld_fatal_error + 1, stop reason = EXC_BREAKPOINT (code=EXC_I386_BPT, subcode=0x0) frame #0: 0x00007fff5fc01075 dyld`dyld_fatal_error + 1 dyld`dyld_fatal_error: -> 0x7fff5fc01075 <+1>: nop dyld`dyldbootstrap::start: 0x7fff5fc01076 <+0>: pushq %rbp 0x7fff5fc01077 <+1>: movq %rsp, %rbp 0x7fff5fc0107a <+4>: pushq %r15 (lldb) bt * thread #1: tid = 0x20cf25, 0x00007fff5fc01075 dyld`dyld_fatal_error + 1, stop reason = EXC_BREAKPOINT (code=EXC_I386_BPT, subcode=0x0) * frame #0: 0x00007fff5fc01075 dyld`dyld_fatal_error + 1 frame #1: 0x00007fff5fc040d1 dyld`dyld::halt(char const*) + 77 frame #2: 0x00007fff5fc060e6 dyld`dyld::_main(macho_header const*, unsigned long, int, char const**, char const**, char const**, unsigned long*) + 4086 frame #3: 0x00007fff5fc01276 dyld`dyldbootstrap::start(macho_header const*, int, char const**, long, macho_header const*, unsigned long*) + 512 frame #4: 0x00007fff5fc01036 dyld`_dyld_start + 54 (lldb)