Add a test for rust-lang#3031 and update test

No combining for an item-like macro argument.

Author: topecongiro

tests/source/macros.rs

@@ -426,3 +426,29 @@ named!(
 
 // #2857
 convert_args!(vec!(1, 2, 3));
+
+// #3031
+thread_local!(
+/// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> =
+        RefCell::new(RootedTraceableSet::new()) ;
+) ;
+
+thread_local![
+    /// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> =
+        RefCell::new(RootedTraceableSet::new()) ;
+
+    /// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> =
+        RefCell::new(RootedTraceableSet::new(0)) ;
+
+    /// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> =
+        RefCell::new(RootedTraceableSet::new(), xxx, yyy) ;
+
+    /// TLV Holds a set of JSTraceables that need to be rooted
+static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> =
+        RefCell::new(RootedTraceableSet::new(1234)) ;
+
+] ;

tests/target/issue-2523.rs

@@ -11,7 +11,9 @@
 // Format items that appear as arguments of macro call.
 //! ```rust
 //! let x = 3;
-//! some_macro!(pub fn foo() {
-//!     println!("Don't unindent me!");
-//! });
+//! some_macro!(
+//!     pub fn foo() {
+//!         println!("Don't unindent me!");
+//!     }
+//! );
 //! ```

tests/target/macros.rs

@@ -1007,3 +1007,26 @@ named!(
 
 // #2857
 convert_args!(vec!(1, 2, 3));
+
+// #3031
+thread_local!(
+    /// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> = RefCell::new(RootedTraceableSet::new());
+);
+
+thread_local![
+    /// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> = RefCell::new(RootedTraceableSet::new());
+
+    /// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> =
+        RefCell::new(RootedTraceableSet::new(0));
+
+    /// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> =
+        RefCell::new(RootedTraceableSet::new(), xxx, yyy);
+
+    /// TLV Holds a set of JSTraceables that need to be rooted
+    static ROOTED_TRACEABLES: RefCell<RootedTraceableSet> =
+        RefCell::new(RootedTraceableSet::new(1234));
+];