Index: test/testTime.rb
===================================================================
--- test/testTime.rb	(revision 4912)
+++ test/testTime.rb	(working copy)
@@ -102,6 +102,10 @@
 test_equal "12:00AM", Time.utc(2007,01,01,0,0).strftime("%I:%M%p")
 test_equal "12:00PM", Time.utc(2007,01,01,12,0).strftime("%I:%M%p")
 
+# MRI only accepts usec arguments that fit in signed int
+test_exception {Time.utc(2001,2,3,4,5,6,0x80000000)}
+test_exception {Time.utc(2001,2,3,4,5,6,-0x80000001)}
+
 # Time.utc accepts 8 arguments for compatibility with parsedate (two last arguments are ignored)
 test_no_exception {Time.utc(2007, 10, 10, 11, 55, 23, "-0200", 3)}
 
Index: src/org/jruby/RubyTime.java
===================================================================
--- src/org/jruby/RubyTime.java	(revision 4912)
+++ src/org/jruby/RubyTime.java	(working copy)
@@ -634,8 +634,8 @@
     
     private static final String[] months = {"jan", "feb", "mar", "apr", "may", "jun",
                                             "jul", "aug", "sep", "oct", "nov", "dec"};
-    private static final long[] time_min = {1, 0, 0, 0, Long.MIN_VALUE};
-    private static final long[] time_max = {31, 23, 59, 60, Long.MAX_VALUE};
+    private static final int[] time_min = {1, 0, 0, 0, Integer.MIN_VALUE};
+    private static final int[] time_max = {31, 23, 59, 60, Integer.MAX_VALUE};
 
     private static final int ARG_SIZE = 7;
     private static RubyTime createTime(IRubyObject recv, IRubyObject[] args, boolean gmt) {
@@ -699,10 +699,11 @@
                 if(!(args[i+2] instanceof RubyNumeric)) {
                     args[i+2] = args[i+2].callMethod(tc,"to_i");
                 }
-                int_args[i] = (int)RubyNumeric.num2long(args[i + 2]);
-                if (time_min[i] > int_args[i] || int_args[i] > time_max[i]) {
+                long value = RubyNumeric.num2long(args[i + 2]);
+                if (time_min[i] > value || value > time_max[i]) {
                     throw runtime.newArgumentError("Argument out of range.");
                 }
+                int_args[i] = (int) value;
             }
         }