diff options
Diffstat (limited to 'gcc/passes.def')
| -rw-r--r-- | gcc/passes.def | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/gcc/passes.def b/gcc/passes.def index a6dae769121..d103df13dcd 100644 --- a/gcc/passes.def +++ b/gcc/passes.def @@ -322,15 +322,11 @@ along with GCC; see the file COPYING3. If not see NEXT_PASS (pass_fold_builtins); NEXT_PASS (pass_optimize_widening_mul); NEXT_PASS (pass_tail_calls); - /* FIXME: If DCE is not run before checking for uninitialized uses, + /* If DCE is not run before checking for uninitialized uses, we may get false warnings (e.g., testsuite/gcc.dg/uninit-5.c). However, this also causes us to misdiagnose cases that should be - real warnings (e.g., testsuite/gcc.dg/pr18501.c). - - To fix the false positives in uninit-5.c, we would have to - account for the predicates protecting the set and the use of each - variable. Using a representation like Gated Single Assignment - may help. */ + real warnings (e.g., testsuite/gcc.dg/pr18501.c). */ + NEXT_PASS (pass_dce); /* Split critical edges before late uninit warning to reduce the number of false positives from it. */ NEXT_PASS (pass_split_crit_edges); |