* On i686 floating-point roundoff errors could sometimes cause this check to
  fail depending on the elapsed microseconds.  Improve rounding by adding a
  fractional bit.

--- glib-2.40.0/glib/tests/timer.c	2014-03-05 08:05:42.000000000 -0600
+++ glib-2.40.0/glib/tests/timer.c	2014-07-10 16:33:12.746862822 -0500
@@ -35,7 +35,7 @@
   elapsed = g_timer_elapsed (timer, &micros);
 
   g_assert_cmpfloat (elapsed, <, 1.0);
-  g_assert_cmpuint (micros, ==, ((guint64)(elapsed * 1e6)) % 1000000);
+  g_assert_cmpuint (micros, ==, ((guint64)(elapsed * 1e6 + 0.5)) % 1000000);
 
   g_timer_destroy (timer);
 }
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