diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index 9c63983b625939571b5d804bd8ee87c534f052cb..4d1f17bd3fa22daf778e56bcc32d045931ed32cf 100644
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -2539,6 +2539,9 @@ vect_analyze_slp_instance (vec_info *vinfo,
 	if (STMT_VINFO_RELEVANT_P (next_info)
 	    || STMT_VINFO_LIVE_P (next_info))
 	  scalar_stmts.quick_push (next_info);
+      /* If less than two were relevant/live there's nothing to SLP.  */
+      if (scalar_stmts.length () < 2)
+	return false;
     }
 
   /* Build the tree for the SLP instance.  */