Update usage chain for dead instructions

This patch address some of the dead instructions left in the usage chain.

Signed-Off-By: Christopher Li <sparse@chrisli.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/flow.c b/flow.c
index 7b009ca..27f6e17 100644
--- a/flow.c
+++ b/flow.c
@@ -195,6 +195,7 @@ try_to_rewrite_target:
 	if (bb_list_size(target->parents) != 1)
 		return retval;
 	insert_branch(target, insn, final);
+	kill_instruction(insn);
 	return 1;
 }