From 986c1687f868e7839f4e967bba32aeec6b2df5da Mon Sep 17 00:00:00 2001
From: Joshua Nelson <jnelson@cloudflare.com>
Date: Sun, 10 Apr 2022 16:37:24 -0500
Subject: [PATCH] Remove duplicate aliases for `codegen_{cranelift,gcc}`

Bootstrap already allows selecting these in `PathSet::has`, which allows
any string that matches the end of a full path.

I found these by adding `assert!(path.exists())` in `StepDescription::paths`.
I think ideally we wouldn't have any aliases that aren't paths, but I've held
off on enforcing that here since it may be controversial, I'll open a separate PR.
---
 src/bootstrap/check.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/bootstrap/check.rs b/src/bootstrap/check.rs
index 28e7f1fdca7..432a6c34ed5 100644
--- a/src/bootstrap/check.rs
+++ b/src/bootstrap/check.rs
@@ -243,12 +243,7 @@ impl Step for CodegenBackend {
     const DEFAULT: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.paths(&[
-            "compiler/rustc_codegen_cranelift",
-            "rustc_codegen_cranelift",
-            "compiler/rustc_codegen_gcc",
-            "rustc_codegen_gcc",
-        ])
+        run.paths(&["compiler/rustc_codegen_cranelift", "compiler/rustc_codegen_gcc"])
     }
 
     fn make_run(run: RunConfig<'_>) {