http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53106
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-04-24 23:12:19 UTC --- [hjl@gnu-35 delta]$ /export/gnu/import/git/gcc-test-spec/usr/bin/gcc -mx32 -O3 -S testcase.cc testcase.cc:31:35: error: caller edge frequency 3943 does not match BB frequency 390 template class FE_RaviartThomas<3>; ^ _ZNSt14_Bit_referenceaSEb.part.2/256 (std::_Bit_reference& std::_Bit_reference::_ZNSt14_Bit_referenceaSEb.part.2()) @0x7ffff112ed68 Type: function Visibility: prevailing_def_ironly visibility_specified artificial References: Referring: Function std::_Bit_reference& std::_Bit_reference::_ZNSt14_Bit_referenceaSEb.part.2()/256 is inline copy in std::_Bit_reference& std::_Bit_reference::operator=(bool)/26 Availability: local Function flags: analyzed body local finalized Called by: _ZNSt14_Bit_referenceaSEb/26 (3.94 per call) (inlined) Calls: testcase.cc:31:35: internal compiler error: verify_cgraph_node failed template class FE_RaviartThomas<3>; ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [hjl@gnu-35 delta]$ /export/gnu/import/git/gcc-test-spec/usr/bin/gcc -m32 -O3 -S testcase.cc testcase.cc:31:35: error: caller edge frequency 3943 does not match BB frequency 390 template class FE_RaviartThomas<3>; ^ _ZNSt14_Bit_referenceaSEb.part.2/256 (std::_Bit_reference& std::_Bit_reference::_ZNSt14_Bit_referenceaSEb.part.2()) @0x7ffff112ed68 Type: function Visibility: prevailing_def_ironly visibility_specified artificial References: Referring: Function std::_Bit_reference& std::_Bit_reference::_ZNSt14_Bit_referenceaSEb.part.2()/256 is inline copy in std::_Bit_reference& std::_Bit_reference::operator=(bool)/26 Availability: local Function flags: analyzed body local finalized Called by: _ZNSt14_Bit_referenceaSEb/26 (3.94 per call) (inlined) Calls: testcase.cc:31:35: internal compiler error: verify_cgraph_node failed template class FE_RaviartThomas<3>; ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [hjl@gnu-35 delta]$