Upgrade ASM to 6.0 (#600)

diff --git a/org.jacoco.doc/docroot/doc/changes.html b/org.jacoco.doc/docroot/doc/changes.html
index b9e61a1..9035dc3 100644
--- a/org.jacoco.doc/docroot/doc/changes.html
+++ b/org.jacoco.doc/docroot/doc/changes.html
@@ -68,10 +68,22 @@
       (GitHub <a href="https://github.com/jacoco/jacoco/issues/555">#555</a>).</li>
   <li>Restored Maven <code>help</code> goal that was missing in version 0.7.9
       (GitHub <a href="https://github.com/jacoco/jacoco/issues/559">#559</a>).</li>
+  <li><code>NullPointerException</code> during offline instrumentation of
+      <code>module-info.class</code>
+      (GitHub <a href="https://github.com/jacoco/jacoco/issues/600">#600</a>).</li>
+  <li>Incorrect update of frames caused by bug in ASM library
+      (GitHub <a href="https://github.com/jacoco/jacoco/issues/600">#600</a>).</li>
+  <li>Loss of <code>InnerClasses</code> attribute caused by bug in ASM library
+      (GitHub <a href="https://github.com/jacoco/jacoco/issues/600">#600</a>).</li>
+  <li><code>NegativeArraySizeException</code> during instrumentation caused by bug
+      in ASM library
+      (GitHub <a href="https://github.com/jacoco/jacoco/issues/600">#600</a>).</li>
 </ul>
 
 <h3>Non-functional Changes</h3>
 <ul>
+  <li>JaCoCo now depends on ASM 6.0
+      (GitHub <a href="https://github.com/jacoco/jacoco/issues/600">#600</a>).</li>
   <li>More information about context is provided when unable to read input during
       instrumentation
       (GitHub <a href="https://github.com/jacoco/jacoco/issues/527">#527</a>).</li>