Fix test0037 - getKey on JavacTypeVariableBinding

Signed-off-by: Rob Stryker <stryker@redhat.com>

org.eclipse.jdt.core.javac/src/org/eclipse/jdt/internal/javac/dom/JavacTypeBinding.java

@@ -268,26 +268,28 @@ private static String removeTrailingSemicolon(String key) {
 		return key.endsWith(";") ? key.substring(0, key.length() - 1) : key;
 	}
 
+	private String getKey(Type t) {
+		return getKey(t, this.typeSymbol.flatName());
+	}
+
 	public String getKey(boolean includeTypeParameters) {
 		return getKey(this.type, this.typeSymbol.flatName(), includeTypeParameters);
 	}
 
-	private String getKey(Type t) {
-		return getKey(t, this.typeSymbol.flatName());
-	}
 	public String getKey(Type t, Name n) {
 		return getKey(type, n, true);
 	}
 	public static String getKey(Type t, Name n, boolean includeTypeParameters) {
 		try {
 			StringBuilder builder = new StringBuilder();
-			getKey(builder, t, n, false, true);
+			getKey(builder, t, n, false, includeTypeParameters);
 			return builder.toString();
 		} catch(BindingKeyException bke) {
 			return null;
 		}
 	}
 
+
 	static void getKey(StringBuilder builder, Type typeToBuild, boolean isLeaf) throws BindingKeyException {
 		getKey(builder, typeToBuild, typeToBuild.asElement().flatName(), isLeaf, false);
 	}

org.eclipse.jdt.core.javac/src/org/eclipse/jdt/internal/javac/dom/JavacTypeVariableBinding.java

@@ -55,7 +55,11 @@ public String getKey() {
 		if (this.sym.owner != null) {
 			IBinding ownerBinding = this.bindingResolver.bindings.getBinding(this.sym.owner, null);
 			if (ownerBinding != null) {
-				builder.append(ownerBinding.getKey());
+				if( ownerBinding instanceof JavacTypeBinding jctb && !(ownerBinding instanceof JavacTypeVariableBinding)) {
+					builder.append(jctb.getKey(false));
+				} else {
+					builder.append(ownerBinding.getKey());
+				}
 			}
 		}
 		builder.append(":T");