-/* Return a integer value, converted to the same type as the integer
- expression E after integer type promotion. V is the unconverted value.
- E should not have side effects. */
-#define _GL_INT_CONVERT(e, v) ((e) - (e) + (v))
+/* Return an integer value, converted to the same type as the integer
+ expression E after integer type promotion. V is the unconverted value. */
+#define _GL_INT_CONVERT(e, v) (0 * (e) + (v))
+
+/* Act like _GL_INT_CONVERT (E, -V) but work around a bug in IRIX 6.5 cc; see
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00406.html>. */
+#define _GL_INT_NEGATE_CONVERT(e, v) (0 * (e) - (v))