When the testcase gcc.dg/tree-ssa/predcom-3.c is compiled with vectorization it ICes when the dataref analysis called from vectorizer:
/home/dorit/mainline/build2/gcc/xgcc -B/home/dorit/mainline/build2/gcc/ /home/dorit/mainline/gcc/gcc/testsuite/gcc.dg/tree-ssa/predcom-3.c -O2 -fpredictive-commoning -fdump-tree-pcom-details -fno-show-column -S -O2 -ftree-vectorize -fdump-tree-vect-details -o predcom-3.s /home/dorit/mainline/gcc/gcc/testsuite/gcc.dg/tree-ssa/predcom-3.c: In function âtestâ: /home/dorit/mainline/gcc/gcc/testsuite/gcc.dg/tree-ssa/predcom-3.c:7: internal compiler error: Segmentation fault -- Summary: ICE with vectorization in the testsuite during dataref analysis Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dorit at gcc dot gnu dot org GCC build triplet: i386-linux GCC host triplet: i386-linux GCC target triplet: i386-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33320