gcse.c (cprop_jump): Clear JUMP_LABEL field when we create a nop-jump.

	* gcse.c (cprop_jump): Clear JUMP_LABEL field when we create
	a nop-jump.

From-SVN: r47183

1 files changed, 4 insertions, 1 deletions

diff --git a/gcc/gcse.c b/gcc/gcse.c
index a69ed83..882835b 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -4043,7 +4043,10 @@ cprop_jump (bb, insn, from, src)
       SET_SRC (set) = new;
 
       if (JUMP_LABEL (insn) != 0)
-	--LABEL_NUSES (JUMP_LABEL (insn));
+	{
+	  --LABEL_NUSES (JUMP_LABEL (insn));
+	  JUMP_LABEL (insn) = NULL_RTX;
+	}
     }
 
   /* Otherwise, this must be a valid instruction.  */