diff options
Diffstat (limited to 'gcc/cfgloopmanip.c')
| -rw-r--r-- | gcc/cfgloopmanip.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/cfgloopmanip.c b/gcc/cfgloopmanip.c index 98a306f..d84a56d 100644 --- a/gcc/cfgloopmanip.c +++ b/gcc/cfgloopmanip.c @@ -1640,6 +1640,9 @@ fix_loop_structure (bitmap changed_bbs) bool record_exits = false; struct loop **superloop = XNEWVEC (struct loop *, number_of_loops ()); + /* We need exact and fast dominance info to be available. */ + gcc_assert (dom_info_state (CDI_DOMINATORS) == DOM_OK); + /* Remove the old bb -> loop mapping. Remember the depth of the blocks in the loop hierarchy, so that we can recognize blocks whose loop nesting relationship has changed. */ |