Auto merge of #147140 - Zalathar:rollup-rtnqek7, r=Zalathar

Rollup of 7 pull requests

Successful merges:

 - rust-lang/rust#133477 (Detect tuple structs that are unconstructable due to re-export)
 - rust-lang/rust#146929 (compiletest: Remove old-output-capture and become a stage0 bootstrap tool)
 - rust-lang/rust#146979 (constify Default on Nanoseconds)
 - rust-lang/rust#147092 (Do not compute optimized MIR if code does not type-check.)
 - rust-lang/rust#147112 (all 48 keywords in just 300 characters)
 - rust-lang/rust#147122 (Fix some crash-test directives)
 - rust-lang/rust#147127 (Add a leading dash to linker plugin arguments in the gcc codegen)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

src/lib.rs

@@ -165,6 +165,10 @@ impl CodegenBackend for CraneliftCodegenBackend {
         ""
     }
 
+    fn name(&self) -> &'static str {
+        "cranelift"
+    }
+
     fn init(&self, sess: &Session) {
         use rustc_session::config::{InstrumentCoverage, Lto};
         match sess.lto() {