# HG changeset patch
# User Armin Rigo <arigo@tunes.org>
# Date 1366028584 -7200
#      Mon Apr 15 14:23:04 2013 +0200
# Branch extradoc
# Node ID 2156c3f89074b243869f7fe6468a2d739b10c001
# Parent  b61326da6feae120bf20d84fac86cb991898c0cd
Found the reason.

diff --git a/download.html b/download.html
--- a/download.html
+++ b/download.html
@@ -135,7 +135,7 @@
 <div class="section" id="building-from-source">
 <span id="translate"></span><h1>Building from source</h1>
 <p><strong>Warning:</strong> the new gcc 4.8 doesn't compile PyPy correctly.
-We are investigating.</p>
+As a workaround, run with <tt class="docutils literal"><span class="pre">CFLAGS=-fno-aggressive-loop-optimizations</span></tt></p>
 <ol class="arabic">
 <li><p class="first">Get the source code.  The following packages contain the source at
 the same revision as the above binaries:</p>
diff --git a/source/download.txt b/source/download.txt
--- a/source/download.txt
+++ b/source/download.txt
@@ -135,7 +135,7 @@
 -------------------------------
 
 **Warning:** the new gcc 4.8 doesn't compile PyPy correctly.
-We are investigating.
+As a workaround, run with ``CFLAGS=-fno-aggressive-loop-optimizations``
 
 1. Get the source code.  The following packages contain the source at
    the same revision as the above binaries: