Index: changes.html
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RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.8/changes.html,v
retrieving revision 1.89
diff -u -r1.89 changes.html
--- changes.html	27 Jan 2013 13:44:12 -0000	1.89
+++ changes.html	31 Jan 2013 09:05:20 -0000
@@ -30,6 +30,13 @@
 <p>The G++ namespace association extension, <code>__attribute ((strong))</code>,
 has been deprecated. Inline namespaces should be used instead.</p>
 
+<p>GCC now uses more a aggressive analysis to derive an upper bound for
+the number of iterations of loops using constraints imposed by language
+standards.  This may cause non-conforming programs to no longer work as
+expected, such as SPEC CPU 2006 464.h264ref and 416.gamess.  A new
+option, <code>-fno-aggressive-loop-optimizations</code>, was added
+to disable this aggressive analysis.</p>
+
 <p>On ARM, a bug has been fixed in GCC's implementation of the AAPCS
 rules for the layout of vectors that could lead to wrong code being
 generated.  Vectors larger than 8 bytes in size are now by default