http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45375
--- Comment #99 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2011-06-15 10:32:08 UTC --- New build failure with "gold" and gcc 4.7.0 20110615: ake[6]: Entering directory `/var/tmp/mozilla-central/moz-build-dir/js/src/shell' js.cpp c++ -o js.o -c -I../../../dist/system_wrappers_js -include /var/tmp/mozilla-central/js/src/config/gcc_hidden.h -DEXPORT_JS_API -DOSTYPE=\"Linux3.0\" -DOSARCH=Linux -I/var/tmp/mozilla-central/js/src -I.. -I/var/tmp/mozilla-central/js/src/shell -I. -I../../../dist/include -I../../../dist/include/nsprpub -I/var/tmp/mozilla-central/moz-build-dir/dist/include/nspr -fPIC -fno-rtti -fno-exceptions -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof -Wno-variadic-macros -Werror=return-type -pedantic -Wno-long-long -march=native -ffunction-sections -fdata-sections -fno-strict-aliasing -pthread -pipe -DNDEBUG -DTRIMMED -fprofile-generate -O3 -DMOZILLA_CLIENT -include ../js-confdefs.h -MD -MF .deps/js.pp /var/tmp/mozilla-central/js/src/shell/js.cpp jsworkers.cpp c++ -o jsworkers.o -c -I../../../dist/system_wrappers_js -include /var/tmp/mozilla-central/js/src/config/gcc_hidden.h -DEXPORT_JS_API -DOSTYPE=\"Linux3.0\" -DOSARCH=Linux -I/var/tmp/mozilla-central/js/src -I.. -I/var/tmp/mozilla-central/js/src/shell -I. -I../../../dist/include -I../../../dist/include/nsprpub -I/var/tmp/mozilla-central/moz-build-dir/dist/include/nspr -fPIC -fno-rtti -fno-exceptions -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof -Wno-variadic-macros -Werror=return-type -pedantic -Wno-long-long -march=native -ffunction-sections -fdata-sections -fno-strict-aliasing -pthread -pipe -DNDEBUG -DTRIMMED -fprofile-generate -O3 -DMOZILLA_CLIENT -include ../js-confdefs.h -MD -MF .deps/jsworkers.pp /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp: In member function ‘void js::workers::MainQueue::destroy(JSContext*)’: /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp:371:16: warning: deleting object of polymorphic class type ‘js::workers::MainQueue’ which has non-virtual destructor might cause undefined behaviour [-Wdelete-non-virtual-dtor] /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp: In member function ‘bool js::workers::ThreadPool::start(JSContext*)’: /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp:511:20: warning: deleting object of polymorphic class type ‘js::workers::WorkerQueue’ which has non-virtual destructor might cause undefined behaviour [-Wdelete-non-virtual-dtor] /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp: In member function ‘void js::workers::ThreadPool::shutdown(JSContext*)’: /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp:548:16: warning: deleting object of polymorphic class type ‘js::workers::WorkerQueue’ which has non-virtual destructor might cause undefined behaviour [-Wdelete-non-virtual-dtor] /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp: In static member function ‘static void js::workers::Worker::jsFinalize(JSContext*, JSObject*)’: /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp:690:20: warning: deleting object of polymorphic class type ‘js::workers::Worker’ which has non-virtual destructor might cause undefined behaviour [-Wdelete-non-virtual-dtor] /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp: In static member function ‘static js::workers::Worker* js::workers::Worker::create(JSContext*, js::workers::WorkerParent*, JSString*, JSObject*)’: /var/tmp/mozilla-central/js/src/shell/jsworkers.cpp:1073:16: warning: deleting object of polymorphic class type ‘js::workers::Worker’ which has non-virtual destructor might cause undefined behaviour [-Wdelete-non-virtual-dtor] In file included from /var/tmp/mozilla-central/js/src/shell/js.cpp:97:0: /var/tmp/mozilla-central/js/src/jsobjinlines.h: In member function ‘void JSObject::setArrayLength(uint32)’: /var/tmp/mozilla-central/js/src/jsobjinlines.h:367:24: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /usr/bin/python2.7 /var/tmp/mozilla-central/js/src/config/pythonpath.py -I../config /var/tmp/mozilla-central/js/src/config/expandlibs_exec.py --uselist -- c++ -o js -fno-rtti -fno-exceptions -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof -Wno-variadic-macros -Werror=return-type -pedantic -Wno-long-long -march=native -ffunction-sections -fdata-sections -fno-strict-aliasing -pthread -pipe -DNDEBUG -DTRIMMED -fprofile-generate -O3 js.o jsworkers.o -lpthread -fprofile-generate -Wl,-rpath-link,/bin -Wl,-rpath-link,/var/tmp/mozilla-central/moz-build-dir/dist/lib -L../../../dist/bin -L../../../dist/lib -L/var/tmp/mozilla-central/moz-build-dir/dist/lib -lplds4 -lplc4 -lnspr4 -lpthread -ldl ../editline/libeditline.a ../libjs_static.a -ldl /var/tmp/mozilla-central/moz-build-dir/js/src/shell/jsworkers.o:jsworkers.cpp:function js::workers::Worker::processOneEvent(): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'JSAutoRequest::~JSAutoRequest()' is not defined locally /var/tmp/mozilla-central/moz-build-dir/js/src/shell/jsworkers.o:jsworkers.cpp:function js::workers::ThreadPool::start(JSContext*): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'JSAutoSuspendRequest::JSAutoSuspendRequest(JSContext*)' is not defined locally ../libjs_static.a(jsapi.o):jsapi.cpp:function StopRequest(JSContext*): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'js::AutoLockGC::~AutoLockGC()' is not defined locally ../libjs_static.a(jsapi.o):jsapi.cpp:function JS_ConvertArgumentsVA: warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'JSAutoByteString::~JSAutoByteString()' is not defined locally ../libjs_static.a(jsapi.o):jsapi.cpp:function JS_New: warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'JSAutoByteString::~JSAutoByteString()' is not defined locally ../libjs_static.a(jsarray.o):jsarray.cpp:function array_toSource(JSContext*, unsigned int, js::Value*): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'js::StringBuffer::StringBuffer(JSContext*)' is not defined locally ../libjs_static.a(jsarray.o):jsarray.cpp:function array_toString_sub(JSContext*, JSObject*, int, JSString*, js::Value*): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'js::StringBuffer::StringBuffer(JSContext*)' is not defined locally ../libjs_static.a(jsemit.o):jsemit.cpp:function BindNameToSlot(JSContext*, JSCodeGenerator*, JSParseNode*): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'JSAutoByteString::~JSAutoByteString()' is not defined locally ../libjs_static.a(jsemit.o):jsemit.cpp:function BindNameToSlot(JSContext*, JSCodeGenerator*, JSParseNode*): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'JSAutoByteString::~JSAutoByteString()' is not defined locally ../libjs_static.a(jsfun.o):jsfun.cpp:function Function(JSContext*, unsigned int, js::Value*): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'JSAutoByteString::~JSAutoByteString()' is not defined locally ../libjs_static.a(jsfun.o):jsfun.cpp:function Function(JSContext*, unsigned int, js::Value*): warning: relocation refers to discarded section /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.0/../../../../x86_64-pc-linux-gnu/bin/ld: error: hidden symbol 'JSAutoByteString::~JSAutoByteString()' is not defined locally ... Using the bfd linker instead of "gold" seems to work. gcc-4.6.1 also works fine.
