[Bug middle-end/44684] [4.6 regression] FAIL: g++.dg/opt/pmf1.C

[hjl dot tools at gmail dot com]

------- Comment #4 from hjl dot tools at gmail dot com  2010-06-26 23:28 -------
On Linux/x86-64, revision 161432 failed to compile SPEC CPU 2006
with similar error:

g++ -c -o XercesXPath.o -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     XercesXPath.cpp
g++ -c -o XPath.o -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     XPath.cpp
...
XPath.cpp:5696:1: internal compiler error: in refs_may_alias_p_1, at
tree-ssa-alias.c:812
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

g++ -c -o messageoutput.o -DSPEC_CPU -DNDEBUG    -O2 -ffast-math  
-DSPEC_CPU_LP64       messageoutput.cpp
...
messageoutput.cpp:1126:1: internal compiler error: in refs_may_alias_p_1, at
tree-ssa-alias.c:812
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44684