Running the libstdc++ testsuite with --param=max-fields-for-field-sensitive=0 (which disables field-sensitive PTA) causes
FAIL: 23_containers/forward_list/ext_pointer/1.cc execution test FAIL: 23_containers/forward_list/ext_pointer/modifiers/1.cc execution test FAIL: 23_containers/forward_list/ext_pointer/modifiers/2.cc execution test FAIL: 23_containers/forward_list/ext_pointer/modifiers/3.cc execution test FAIL: 23_containers/forward_list/ext_pointer/operations/1.cc execution test FAIL: 23_containers/forward_list/ext_pointer/operations/2.cc execution test FAIL: 23_containers/forward_list/ext_pointer/operations/3.cc execution test FAIL: 23_containers/forward_list/ext_pointer/operations/4.cc execution test FAIL: 23_containers/vector/ext_pointer/modifiers/erase.cc execution test FAIL: 23_containers/vector/ext_pointer/modifiers/insert.cc execution test -- Summary: field-insensitive PTA causes libstdc++ miscompiles Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: wrong-code 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=38835