Add a comment why it is in

diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index b762e47691eecffd075fcb5848f35c198db4fe6d..82b5b0b2bb243a9ec57879d2f765da1227d08059 100644 (file)
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -416,6 +416,7 @@ AC_CACHE_CHECK(whether HUGE_VAL + -HUGEVAL == NAN, ac_cv_huge_val_nan,[
 int main(int argc, char** argv)
 {
 #if defined(__sparc__) && !(__GNUC__ >= 3)
+       /* prevent bug #27830 */
        return 1;
 #else
        return zend_isinf(HUGE_VAL) && zend_isnan(HUGE_VAL + -HUGE_VAL) ? 0 : 1;