Bootstrap fails compiling tree-ssa-structalias.c with a verify_ssa failure:
../../gcc/gcc/tree-ssa-structalias.c: In function 'build_pred_graph': ../../gcc/gcc/tree-ssa-structalias.c:940: error: definition in block 5 follows the use for SSA_NAME: D.36231_29 in statement: D.36230_26 = D.36231_29; ../../gcc/gcc/tree-ssa-structalias.c:940: internal compiler error: verify_ssa failed Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. this doesn't reduce easily but with --param ggc-min-expand=0 --param ggc-min-heapsize=0 so this is likely GC related. See also PR32636 for a similar issue that got latent again. Testcase is still reducing. -- Summary: [4.3 Regression] Bootstrap failure with -fno-tree-store- copy-prop Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: ice-on-valid-code, GC Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: rguenth at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32722
