Bogus syntax warning for EL 3.0 list literal

Assume you have an XHTML page that contains a JSF tag, and you want to use the EL 3.0 list literal to set an attribute on that tag, e.g.

<my:tag someListProperty="#{[1, 2, 3]}"/>

The syntax is valid, but JBT reports the warning "EL syntax error: Expecting expression."