Jan, > this patch fixes tree-ssa-dce ICE seen during Ada bootstrap. It is updated > version of https://gcc.gnu.org/ml/gcc-patches/2015-05/msg02876.html for > current mainline > > Bootstrapped/regtested x86_64-linux, OK? > > PR middle-end/65337 > * tree-ssa-dce.c (bb_postorder): New static var. > (forward_edge_to_pdom): Remove. > (remove_dead_stmt): Instead of redirecting edges only keep an edge > on a path to nearest live BB. > (eliminate_unnecessary_stmts): Free bb_postorder. > * cfganal.c (dfs_find_deadend): Add START_POINTES. > * cfganal.h (inverted_post_order_compute): Update prototype.
do you plan to apply it in the near future? It's probably too late for GCC 5 at this point, but it would be nice to have it for GCC 6. -- Eric Botcazou
