1 files changed, 8 insertions, 2 deletions
diff --git a/gas/expr.h b/gas/expr.h
index 32a1661..e376409 100644
--- a/gas/expr.h
+++ b/gas/expr.h
@@ -116,8 +116,14 @@ typedef struct expressionS
   symbolS *X_op_symbol;
   /* A number to add.  */
   offsetT X_add_number;
-  /* The type of the expression.  */
-  operatorT X_op;
+  /* The type of the expression.  We can't assume that an arbitrary
+     compiler can handle a bitfield of enum type.  FIXME: We could
+     check this using autoconf.  */
+#ifdef __GNUC__
+  operatorT X_op : 7;
+#else
+  unsigned X_op : 7;
+#endif
   /* Non-zero if X_add_number should be regarded as unsigned.  This is
      only valid for O_constant expressions.  It is only used when an
      O_constant must be extended into a bignum (i.e., it is not used