Disable hash checking

Author: Aaron1011

compiler/rustc_metadata/src/rmeta/decoder.rs

@@ -603,6 +603,9 @@ impl MetadataBlob {
     // panicking if the computed hash is not equal to
     // the original hash stored in the file.
     fn check_hash(&self, filename: &Path) {
+        if true {
+            return;
+        }
         // We store our 32-byte (256-bit) SHA256 hash at
         // the end of the file
         let hash_offset = self.raw_bytes().len() - 32;