<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>I don't know if this is related but I have a simple class which crashes if a CallSite is invoked more than a few hundred times.</div><div><br></div><div>Thanks,</div><div>Wei</div><div><br></div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; color: rgb(127, 0, 85); "><span class="Apple-style-span" style="color: rgb(0, 0, 0); "><span style="color: #7f0055">import</span> java.dyn.*;</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-style-span" style="color: rgb(127, 0, 85); ">public<span style="color: #000000"> </span>class<span style="color: #000000"> MHLoop {</span></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; min-height: 15px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; min-height: 15px; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">public</span> <span style="color: #7f0055">static</span> Integer add(Integer x, Integer y) {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">return</span> x + y;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>}<span class="Apple-tab-span" style="white-space:pre"> </span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; min-height: 15px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">public</span> <span style="color: #7f0055">static</span> <span style="color: #7f0055">void</span> main(String...args) {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">for</span>(<span style="color: #7f0055">int</span> i = 0; i < 100000; i++) System.<span style="color: #0000c0">out</span>.println(InvokeDynamic.<Integer><span style="text-decoration: underline">sum</span>((Integer)i, (Integer)i));</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; min-height: 15px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">static</span> { Linkage.registerBootstrapMethod(<span style="color: #2a00ff">"linker"</span> ); }</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; min-height: 15px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">public</span> <span style="color: #7f0055">static</span> CallSite linker(Class<?> declaringClass, String name,<span class="Apple-tab-span" style="white-space:pre"> </span>MethodType type) {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>MethodHandle target = <span style="color: #7f0055">null</span>;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">try</span> {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>MethodType addType = MethodType.make(Integer.<span style="color: #7f0055">class</span>, Integer.<span style="color: #7f0055">class</span>, Integer.<span style="color: #7f0055">class</span>);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>target = MethodHandles.lookup().findStatic(MHLoop.<span style="color: #7f0055">class</span>, <span style="color: #2a00ff">"add"</span>, addType);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>} <span style="color: #7f0055">catch</span> (Exception e) {</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>e.printStackTrace();</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">if</span> (<span style="color: #7f0055">null</span> == target)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">throw</span> <span style="color: #7f0055">new</span> InvokeDynamicBootstrapError(<span style="color: #2a00ff">"linkage failed: "</span> + name);</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Monaco; min-height: 15.0px"><span class="Apple-tab-span" style="white-space:pre"> </span><br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>CallSite site = <span style="color: #7f0055">new</span> CallSite(declaringClass, name, type);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span>site.setTarget(target);</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "><span class="Apple-tab-span" style="white-space:pre"> </span><span style="color: #7f0055">return</span> site;</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; "> }</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Monaco; ">}</div><div><font class="Apple-style-span" face="Monaco" size="3"><span class="Apple-style-span" style="font-size: 11px;"><br></span></font></div></div></body></html>