[fixes #1836] superbuilder didn’t play ball with field prefixes, at least in javac.

test/transform/resource/after-ecj/SuperBuilderWithPrefixes.java

@@ -0,0 +1,74 @@
+@lombok.experimental.SuperBuilder class SuperBuilderWithPrefixes {
+  public static abstract @java.lang.SuppressWarnings("all") class SuperBuilderWithPrefixesBuilder<C extends SuperBuilderWithPrefixes, B extends SuperBuilderWithPrefixesBuilder<C, B>> {
+    private @java.lang.SuppressWarnings("all") int field;
+    private @java.lang.SuppressWarnings("all") int otherField;
+    private @java.lang.SuppressWarnings("all") java.util.ArrayList<String> items;
+    public SuperBuilderWithPrefixesBuilder() {
+      super();
+    }
+    protected abstract @java.lang.SuppressWarnings("all") B self();
+    public abstract @java.lang.SuppressWarnings("all") C build();
+    public @java.lang.SuppressWarnings("all") B field(final int field) {
+      this.field = field;
+      return self();
+    }
+    public @java.lang.SuppressWarnings("all") B otherField(final int otherField) {
+      this.otherField = otherField;
+      return self();
+    }
+    public @java.lang.SuppressWarnings("all") B item(String item) {
+      if ((this.items == null))
+          this.items = new java.util.ArrayList<String>();
+      this.items.add(item);
+      return self();
+    }
+    public @java.lang.SuppressWarnings("all") B items(java.util.Collection<? extends String> items) {
+      if ((this.items == null))
+          this.items = new java.util.ArrayList<String>();
+      this.items.addAll(items);
+      return self();
+    }
+    public @java.lang.SuppressWarnings("all") B clearItems() {
+      if ((this.items != null))
+          this.items.clear();
+      return self();
+    }
+    public @java.lang.Override @java.lang.SuppressWarnings("all") java.lang.String toString() {
+      return (((((("SuperBuilderWithPrefixes.SuperBuilderWithPrefixesBuilder(field=" + this.field) + ", otherField=") + this.otherField) + ", items=") + this.items) + ")");
+    }
+  }
+  private static final @java.lang.SuppressWarnings("all") class SuperBuilderWithPrefixesBuilderImpl extends SuperBuilderWithPrefixesBuilder<SuperBuilderWithPrefixes, SuperBuilderWithPrefixesBuilderImpl> {
+    private SuperBuilderWithPrefixesBuilderImpl() {
+      super();
+    }
+    protected @java.lang.Override @java.lang.SuppressWarnings("all") SuperBuilderWithPrefixesBuilderImpl self() {
+      return this;
+    }
+    public @java.lang.Override @java.lang.SuppressWarnings("all") SuperBuilderWithPrefixes build() {
+      return new SuperBuilderWithPrefixes(this);
+    }
+  }
+  int mField;
+  int xOtherField;
+  @lombok.Singular java.util.List<String> mItems;
+  protected @java.lang.SuppressWarnings("all") SuperBuilderWithPrefixes(final SuperBuilderWithPrefixesBuilder<?, ?> b) {
+    super();
+    this.mField = b.field;
+    this.xOtherField = b.otherField;
+    java.util.List<String> items;
+    switch (((b.items == null) ? 0 : b.items.size())) {
+    case 0 :
+        items = java.util.Collections.emptyList();
+        break;
+    case 1 :
+        items = java.util.Collections.singletonList(b.items.get(0));
+        break;
+    default :
+        items = java.util.Collections.unmodifiableList(new java.util.ArrayList<String>(b.items));
+    }
+    this.mItems = items;
+  }
+  public static @java.lang.SuppressWarnings("all") SuperBuilderWithPrefixesBuilder<?, ?> builder() {
+    return new SuperBuilderWithPrefixesBuilderImpl();
+  }
+}