1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/loop.c b/gcc/loop.c
index e1e85e8..8deb398 100644
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -6095,6 +6095,10 @@ update_giv_derive (const struct loop *loop, rtx p)
       if (GET_CODE (p) == CODE_LABEL || GET_CODE (p) == JUMP_INSN
 	  || biv->insn == p)
 	{
+	  /* Skip if location is the same as a previous one.  */
+	  if (biv->same)
+	    continue;
+
 	  for (giv = bl->giv; giv; giv = giv->next_iv)
 	    {
 	      /* If cant_derive is already true, there is no point in