Fix typo in sign extension code in dwarf2_const_value_data().

gdb/ChangeLog

@@ -1,3 +1,8 @@
+2000-05-12  Kevin Buettner  <kevinb@redhat.com>
+
+	* dwarf2read.c (dwarf2_const_value_data): Fix typo in sign
+	extension code.
+
 Fri May 12 20:38:55 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* TODO: Mention weak symbol problem.  Mention UnixWare thread

gdb/dwarf2read.c

@@ -4341,7 +4341,7 @@ dwarf2_const_value_data (struct attribute *attr,
       if (TYPE_UNSIGNED (SYMBOL_TYPE (sym)))
 	l &= ((LONGEST) 1 << bits) - 1;
       else
-	l = (l << (sizeof (l) - bits)) >> (sizeof (l) - bits);
+	l = (l << (sizeof (l) * 8 - bits)) >> (sizeof (l) * 8 - bits);
     }
 
   SYMBOL_VALUE (sym) = l;