diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 5fc9f6c8f5a..ce3aa4e0ed3 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -660,10 +660,14 @@ to lack of trampoline support (pointers to nested functions) on other platforms,
 however it <a href="http://llvm.org/PR2006">also fails to build on X86-64</a>
 which does support trampolines.</li>
 <li>The Ada front-end <a href="http://llvm.org/PR2007">fails to bootstrap</a>.
+This is due to lack of LLVM support for <tt>setjmp</tt>/<tt>longjmp</tt> style
+exception handling, which is used internally by the compiler.
 Workaround: configure with --disable-bootstrap.</li>
 <li>The c380004, <a href="http://llvm.org/PR2010">c393010</a>
 and <a href="http://llvm.org/PR2421">cxg2021</a> ACATS tests fail
-(c380004 also fails with gcc-4.2 mainline).</li>
+(c380004 also fails with gcc-4.2 mainline).
+If the compiler is built with checks disabled then <a href="http://llvm.org/PR2010">c393010</a>
+causes the compiler to go into an infinite loop, using up all system memory.</li>
 <li>Some gcc specific Ada tests continue to crash the compiler.</li>
 <li>The -E binder option (exception backtraces)
 <a href="http://llvm.org/PR1982">does not work</a> and will result in programs