'val' in javac now errors out with an appropriate message on val x = { .. }, and arrays no longer cause "Symbol not found: Array" errors.

src/core/lombok/javac/JavacResolution.java

@@ -12,6 +12,7 @@ import javax.tools.DiagnosticListener;
 
 import com.sun.tools.javac.code.BoundKind;
 import com.sun.tools.javac.code.Symbol.TypeSymbol;
+import com.sun.tools.javac.code.Type.ArrayType;
 import com.sun.tools.javac.code.Type.CapturedType;
 import com.sun.tools.javac.code.Type.ClassType;
 import com.sun.tools.javac.code.Type;
@@ -388,6 +389,22 @@ public class JavacResolution {
 	}
 	
 	private static JCExpression typeToJCTree(Type type, TreeMaker maker, JavacAST ast, boolean allowCompound) throws TypeNotConvertibleException {
+		int dims = 0;
+		Type type0 = type;
+		while (type0 instanceof ArrayType) {
+			dims++;
+			type0 = ((ArrayType)type0).elemtype;
+		}
+		
+		JCExpression result = typeToJCTree0(type0, maker, ast, allowCompound);
+		while (dims > 0) {
+			result = maker.TypeArray(result);
+			dims--;
+		}
+		return result;
+	}
+	
+	private static JCExpression typeToJCTree0(Type type, TreeMaker maker, JavacAST ast, boolean allowCompound) throws TypeNotConvertibleException {
 		// NB: There's such a thing as maker.Type(type), but this doesn't work very well; it screws up anonymous classes, captures, and adds an extra prefix dot for some reason too.
 		//  -- so we write our own take on that here.
 		

src/core/lombok/javac/handlers/HandleVal.java

@@ -33,6 +33,7 @@ import com.sun.tools.javac.code.Type;
 import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.tree.JCTree.JCEnhancedForLoop;
 import com.sun.tools.javac.tree.JCTree.JCExpression;
+import com.sun.tools.javac.tree.JCTree.JCNewArray;
 import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
 
 @ProviderFor(JavacASTVisitor.class)
@@ -57,6 +58,11 @@ public class HandleVal extends JavacASTAdapter {
 				return;
 			}
 			
+			if (local.init instanceof JCNewArray && ((JCNewArray)local.init).elemtype == null) {
+				localNode.addError("'val' is not compatible with array initializer expressions. Use the full form (new int[] { ... } instead of just { ... })");
+				return;
+			}
+			
 			local.mods.flags |= Flags.FINAL;
 			JCExpression oldVarType = local.vartype;
 			local.vartype = JavacResolution.createJavaLangObject(localNode.getTreeMaker(), localNode.getAst());