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-rw-r--r--gcc/tree-outof-ssa.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/tree-outof-ssa.c b/gcc/tree-outof-ssa.c
index 6d33c47..074ca5b 100644
--- a/gcc/tree-outof-ssa.c
+++ b/gcc/tree-outof-ssa.c
@@ -2024,6 +2024,25 @@ analyze_edges_for_bb (basic_block bb, FILE *debug_file)
bool is_label;
count = 0;
+
+ /* Blocks which contain at least one abnormal edge cannot use
+ make_forwarder_block. Look for these blocks, and commit any PENDING_STMTs
+ found on edges in these block. */
+ have_opportunity = true;
+ FOR_EACH_EDGE (e, ei, bb->preds)
+ if (e->flags & EDGE_ABNORMAL)
+ {
+ have_opportunity = false;
+ break;
+ }
+
+ if (!have_opportunity)
+ {
+ FOR_EACH_EDGE (e, ei, bb->preds)
+ if (PENDING_STMT (e))
+ bsi_commit_one_edge_insert (e, NULL);
+ return false;
+ }
/* Find out how many edges there are with interesting pending stmts on them.
Commit the stmts on edges we are not interested in. */
FOR_EACH_EDGE (e, ei, bb->preds)