http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49871
Summary: -gdwarf-3 creates invalid DWARF3 with DW_AT_data_member_location attribute Product: gcc Version: 4.6.2 Status: UNCONFIRMED Keywords: wrong-debug Severity: normal Priority: P3 Component: debug AssignedTo: unassig...@gcc.gnu.org ReportedBy: ja...@gcc.gnu.org As mentioned in http://sources.redhat.com/ml/binutils/2011-07/msg00237.html /* { dg-options "-gdwarf-3" } */ struct s { char a[1<<24]; int b; } s; results in invalid DWARF3, as DW_AT_data_member_location attribute uses DW_FORM_data4 for constant value, while the standard says that in this case DW_FORM_data4 or DW_FORM_data8 aren't allowed for constants and are used for loclistptr instead.