On Linux/x86-64, revision 161503 gave [hjl@gnu-27 build_base_o3.0000]$ /export/gnu/import/svn/gcc-test/usr/bin/gcc -DSPEC_CPU -DNDEBUG -DAPP_NO_THREADS -DXALAN_INMEM_MSG_LOADER -I. -Ixercesc -Ixercesc/dom -Ixercesc/dom/impl -Ixercesc/sax -Ixercesc/util/MsgLoaders/InMemory -Ixercesc/util/Transcoders/Iconv -Ixalanc/include -DPROJ_XMLPARSER -DPROJ_XMLUTIL -DPROJ_PARSERS -DPROJ_SAX4C -DPROJ_SAX2 -DPROJ_DOM -DPROJ_VALIDATORS -DXML_USE_NATIVE_TRANSCODER -DXML_USE_INMEM_MESSAGELOADER -O2 -ffast-math -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX DTDAttDefList.cpp -S DTDAttDefList.cpp: In member function \u2018virtual xercesc_2_5::XMLAttDef& xercesc_2_5::DTDAttDefList::getAttDef(unsigned int)\u2019: DTDAttDefList.cpp:206:12: internal compiler error: tree check: expected var_decl or parm_decl, have result_decl in expand_one_var, at cfgexpand.c:967 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [hjl@gnu-27 build_base_o3.0000]$ Revision 161485 is OK.
This is caused by revision 161500: http://gcc.gnu.org/ml/gcc-cvs/2010-06/msg01418.html
[hjl@gnu-34 delta]$ cat testcase.cc class MemoryManager; class XMLExcepts { public : enum Codes { AttrList_BadIndex }; }; class XMLException { public: XMLException(const char* const srcFile, const unsigned int srcLine, MemoryManager* const memoryManager = 0); }; class ArrayIndexOutOfBoundsException : public XMLException { public: ArrayIndexOutOfBoundsException(const char* const srcFile , const unsigned int srcLine , const XMLExcepts::Codes toThrow , MemoryManager* memoryManager = 0) : XMLException(srcFile, srcLine, memoryManager) { } }; class XMLAttDef { bool fExternalAttribute; }; class XMLAttDefList { public: MemoryManager* getMemoryManager() const; }; class DTDAttDef : public XMLAttDef { }; class DTDAttDefList : public XMLAttDefList { virtual const XMLAttDef &getAttDef(unsigned int index) const ; DTDAttDef** fArray; unsigned int fCount; }; const XMLAttDef &DTDAttDefList::getAttDef(unsigned int index) const { if(index >= fCount) throw ArrayIndexOutOfBoundsException("foo.cpp", 0, XMLExcepts::AttrList_BadIndex, getMemoryManager()); return *(fArray[index]); } [hjl@gnu-34 delta]$ /export/build/gnu/gcc/release/usr/gcc-4.6.0/bin/gcc -S -O2 testcase.cc testcase.cc: In member function \u2018virtual const XMLAttDef& DTDAttDefList::getAttDef(unsigned int) const\u2019: testcase.cc:31:18: internal compiler error: tree check: expected var_decl or parm_decl, have result_decl in expand_one_var, at cfgexpand.c:967 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. [hjl@gnu-34 delta]$
Fixed as of revision 161653.
Subject: Bug 44706 Author: hubicka Date: Fri Jul 2 09:39:54 2010 New Revision: 161691 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161691 Log: PR middle-end/44706 * predict.c (predict_paths_for_bb): Handle case when control dependence BB has only abnormal edges. * g++.dg/tree-ssa/pr44706.C: New testcase. Added: trunk/gcc/testsuite/g++.dg/tree-ssa/pr44706.C Modified: trunk/gcc/ChangeLog trunk/gcc/predict.c trunk/gcc/testsuite/ChangeLog