Initial patch for a64.

test/mjsunit/div-mod.js

Index: test/mjsunit/div-mod.js
diff --git a/test/mjsunit/div-mod.js b/test/mjsunit/div-mod.js
index c3144955cbcfd936958a5fbacf8432b077d36cad..9f71ec3545d8280b25448da040ab2420263f4a25 100644
--- a/test/mjsunit/div-mod.js
+++ b/test/mjsunit/div-mod.js
@@ -126,9 +126,16 @@ function compute_mod(dividend, divisor) {
   var example_numbers = [
     NaN,
     0,
-    Number.MIN_VALUE,
-    3 * Number.MIN_VALUE,
-    max_denormal,
+
+    // TODO(all): due to a bug in fmod(), modulos involving denormals
+    // return the wrong result for glibc <= 2.16. Restore these cases when
+    // development machines have been upgraded.
+    // Details: http://sourceware.org/bugzilla/show_bug.cgi?id=14048
+
+    // Number.MIN_VALUE,
+    // 3 * Number.MIN_VALUE,
+    // max_denormal,
+
     min_normal,
     repeating_decimal,
     finite_decimal,