# HG changeset patch
# User Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
# Date 1236106059 -3600
# Node ID 21691e437c9506269062ca3d1fc0d0a51190e563
# Parent  c4c6e5e9c23e17e10982cf2684bef7d35c461560
Updated lifetime.d with a 32bit faster codepath for overflow checks.

diff -r c4c6e5e9c23e -r 21691e437c95 runtime/internal/lifetime.d
--- a/runtime/internal/lifetime.d	Tue Mar 03 19:37:47 2009 +0100
+++ b/runtime/internal/lifetime.d	Tue Mar 03 19:47:39 2009 +0100
@@ -85,9 +85,20 @@
 
     size_t length_adjust(size_t sizeelem, size_t newlength)
     {
-        size_t newsize = sizeelem * newlength;
-        if (newsize / newlength != sizeelem)
-            onOutOfMemoryError();
+        size_t newsize = void;
+        static if (size_t.sizeof < ulong.sizeof)
+        {
+            ulong s = cast(ulong)sizeelem * cast(ulong)newlength;
+            if (s > size_t.max)
+                onOutOfMemoryError();
+            newsize = cast(size_t)s;
+        }
+        else
+        {
+            newsize = sizeelem * newlength;
+            if (newsize / newlength != sizeelem)
+                onOutOfMemoryError();
+        }
         return newsize;
     }
 }