Merge main into feat/js-e4x-xml

# Conflicts:
#	crates/js/src/interp.rs

crates/js/src/bytecode.rs

@@ -200,6 +200,11 @@ pub(crate) struct Handler {
 pub(crate) struct Source {
     pub(crate) lines: LineTable,
     pub(crate) text: Rc<[u16]>,
+    /// Which source this is, as [`crate::Realm::error_source`] gives it.
+    pub(crate) tag: u32,
+    /// Writes to read-only and getter-only properties, and new properties on objects that are
+    /// not extensible, throw in this source's code even where it is not strict mode code.
+    pub(crate) strict_writes: bool,
 }
 
 #[derive(Debug)]
@@ -219,6 +224,8 @@ pub(crate) struct Code {
     pub(crate) strict: bool,
     /// A function expression's own name, bound inside it.
     pub(crate) self_name: Option<Key>,
+    /// A function declaration's name, which `$.stack` shows.
+    pub(crate) decl_name: Option<Key>,
     pub(crate) params: Vec<Key>,
     pub(crate) vars: Vec<Key>,
     /// Function declarations to instantiate on entry: their names and indices in `functions`.