Remove syntax and syntax_pos thread locals

src/test/run-fail-fulldeps/qquote.rs

@@ -24,6 +24,10 @@ use syntax::symbol::Symbol;
 use syntax_pos::DUMMY_SP;
 
 fn main() {
+    syntax::with_globals(|| run());
+}
+
+fn run() {
     let ps = syntax::parse::ParseSess::new(codemap::FilePathMapping::empty());
     let mut resolver = syntax::ext::base::DummyResolver;
     let mut cx = syntax::ext::base::ExtCtxt::new(

src/test/run-make/issue-19371/foo.rs

@@ -69,18 +69,20 @@ fn basic_sess(sysroot: PathBuf) -> (Session, Rc<CStore>, Box<TransCrate>) {
 }
 
 fn compile(code: String, output: PathBuf, sysroot: PathBuf) {
-    let (sess, cstore, trans) = basic_sess(sysroot);
-    let control = CompileController::basic();
-    let input = Input::Str { name: FileName::Anon, input: code };
-    let _ = compile_input(
-        trans,
-        &sess,
-        &cstore,
-        &None,
-        &input,
-        &None,
-        &Some(output),
-        None,
-        &control
-    );
+    syntax::with_globals(|| {
+        let (sess, cstore, trans) = basic_sess(sysroot);
+        let control = CompileController::basic();
+        let input = Input::Str { name: FileName::Anon, input: code };
+        let _ = compile_input(
+            trans,
+            &sess,
+            &cstore,
+            &None,
+            &input,
+            &None,
+            &Some(output),
+            None,
+            &control
+        );
+    });
 }

src/test/run-pass-fulldeps/ast_stmt_expr_attr.rs

@@ -115,6 +115,10 @@ fn reject_stmt_parse(es: &str) {
 }
 
 fn main() {
+    syntax::with_globals(|| run());
+}
+
+fn run() {
     let both = &["#[attr]", "#![attr]"];
     let outer = &["#[attr]"];
     let none = &[];

src/test/run-pass-fulldeps/issue-35829.rs

@@ -27,6 +27,10 @@ use syntax::ptr::P;
 use rustc_data_structures::sync::Lrc;
 
 fn main() {
+    syntax::with_globals(|| run());
+}
+
+fn run() {
     let parse_sess = ParseSess::new(FilePathMapping::empty());
     let exp_cfg = ExpansionConfig::default("issue_35829".to_owned());
     let mut resolver = DummyResolver;

src/test/run-pass-fulldeps/pprust-expr-roundtrip.rs

@@ -221,8 +221,11 @@ impl Folder for AddParens {
     }
 }
 
-
 fn main() {
+    syntax::with_globals(|| run());
+}
+
+fn run() {
     let ps = ParseSess::new(FilePathMapping::empty());
 
     iter_exprs(2, &mut |e| {

src/test/run-pass-fulldeps/qquote.rs

@@ -21,6 +21,10 @@ use syntax::symbol::Symbol;
 use syntax_pos::DUMMY_SP;
 
 fn main() {
+    syntax::with_globals(|| run());
+}
+
+fn run() {
     let ps = syntax::parse::ParseSess::new(FilePathMapping::empty());
     let mut resolver = syntax::ext::base::DummyResolver;
     let mut cx = syntax::ext::base::ExtCtxt::new(