1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/rtl.c b/gcc/rtl.c
index 13e7380..da753b5 100644
--- a/gcc/rtl.c
+++ b/gcc/rtl.c
@@ -369,6 +369,7 @@ copy_rtx (orig)
 	case 'S':
 	case 'T':
 	case 'u':
+	case 'B':
 	case '0':
 	  /* These are left unchanged.  */
 	  break;