Enable sha2-asm feature

Author: pierwill

Cargo.lock

@@ -4675,6 +4675,16 @@ dependencies = [
  "cfg-if 1.0.0",
  "cpufeatures",
  "digest 0.10.2",
+ "sha2-asm",
+]
+
+[[package]]
+name = "sha2-asm"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf27176fb5d15398e3a479c652c20459d9dac830dedd1fa55b42a77dbcdbfcea"
+dependencies = [
+ "cc",
 ]
 
 [[package]]

compiler/rustc_span/Cargo.toml

@@ -17,5 +17,5 @@ unicode-width = "0.1.4"
 cfg-if = "0.1.2"
 tracing = "0.1"
 sha1 = { package = "sha-1", version = "0.10.0" }
-sha2 = "0.10.1"
+sha2 = { version = "0.10.1", features = ["sha2-asm"] }
 md5 = { package = "md-5", version = "0.10.0" }

src/tools/tidy/src/deps.rs

@@ -190,6 +190,7 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
     "serde_json",
     "sha-1",
     "sha2",
+    "sha2-asm",
     "sharded-slab",
     "smallvec",
     "snap",