1 files changed, 6 insertions, 0 deletions
diff --git a/gas/read.c b/gas/read.c
index ed3be37..8163c5a 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -3604,6 +3604,12 @@ pseudo_set (symbolS *symbolP)
       break;
 
     case O_register:
+      if (S_IS_EXTERNAL (symbolP))
+	{
+	  as_bad ("can't equate global symbol `%s' with register name",
+		  S_GET_NAME (symbolP));
+	  return;
+	}
       S_SET_SEGMENT (symbolP, reg_section);
       S_SET_VALUE (symbolP, (valueT) exp.X_add_number);
       set_zero_frag (symbolP);