This patch http://gcc.gnu.org/ml/gcc-cvs/2007-06/msg00914.html
caused FAIL: gcc.dg/builtins-61.c scan-tree-dump return 0.0 on Linux/x86-64 and Linux/ia32. -- Summary: [4.3 Regression] : gcc.dg/builtins-61.c scan-tree-dump return 0.0 Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl at lucon dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32845