Combine all builtin early lints and use a separate walk for plugin lints. Add a -Z no-interleave-lints option to allow benchmarking lints

Author: Zoxc

src/librustc/lint/builtin.rs

@@ -374,6 +374,10 @@ declare_lint! {
 pub struct HardwiredLints;
 
 impl LintPass for HardwiredLints {
+    fn name(&self) -> &'static str {
+        "HardwiredLints"
+    }
+
     fn get_lints(&self) -> LintArray {
         lint_array!(
             ILLEGAL_FLOATING_POINT_LITERAL_PATTERN,