Search for method that includes type parameter fails

[eric-milles]

Consider the following:

class C<T> {
  T value
  void setValue(T value) {
    this.value = value
  }
}

Selecting "setValue" and initiating a search for references (Ctrl+Shift+G) fails with error:

java.lang.IllegalArgumentException: "(LC;:TT;)V" at 27
	at org.eclipse.jdt.internal.compiler.util.Util.newIllegalArgumentException(Util.java:1667)
	at org.eclipse.jdt.internal.compiler.util.Util.scanTypeSignature(Util.java:1272)
	at org.eclipse.jdt.internal.compiler.util.Util.scanTypeArgumentSignature(Util.java:1599)
	at org.eclipse.jdt.internal.compiler.util.Util.scanTypeArgumentSignatures(Util.java:1563)
	at org.eclipse.jdt.internal.compiler.util.Util.scanClassTypeSignature(Util.java:1464)
	at org.eclipse.jdt.internal.compiler.util.Util.scanTypeSignature(Util.java:1252)
	at org.eclipse.jdt.core.Signature.getParameterCount(Signature.java:1725)
	at org.eclipse.jdt.core.Signature.getParameterTypes(Signature.java:1763)
	at org.eclipse.jdt.core.Signature.getParameterTypes(Signature.java:1801)
	at org.eclipse.jdt.internal.core.manipulation.JavaElementLabelComposerCore.appendMethodLabel(JavaElementLabelComposerCore.java:311)
	at org.eclipse.jdt.internal.core.manipulation.JavaElementLabelComposerCore.appendElementLabel(JavaElementLabelComposerCore.java:174)
	at org.eclipse.jdt.ui.JavaElementLabels.getElementLabel(JavaElementLabels.java:532)
	at org.eclipse.jdt.ui.JavaElementLabels.getElementLabel(JavaElementLabels.java:505)
	at org.eclipse.jdt.internal.ui.search.JavaSearchQuery.getSearchPatternDescription(JavaSearchQuery.java:279)
	at org.eclipse.jdt.internal.ui.search.JavaSearchQuery.getResultLabel(JavaSearchQuery.java:254)
	at org.eclipse.jdt.internal.ui.search.JavaSearchResult.getLabel(JavaSearchResult.java:53)
	at org.eclipse.search.ui.text.AbstractTextSearchViewPage.getLabel(AbstractTextSearchViewPage.java:383)
	at org.eclipse.jdt.internal.ui.search.JavaSearchResultPage.getLabel(JavaSearchResultPage.java:478)
	at org.eclipse.search2.internal.ui.SearchView.updateLabel(SearchView.java:459)
	at org.eclipse.search.ui.text.AbstractTextSearchViewPage$UpdateUIJob.runInUIThread(AbstractTextSearchViewPage.java:169)
	at org.eclipse.ui.progress.UIJob.lambda$0(UIJob.java:148)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:40)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:132)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4029)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3645)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1155)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155)
	at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:643)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:550)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:171)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:152)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1440)