Auto merge of #162003 - panstromek:symbol-name-ordering, r=<try>

Sort symbol names by demangled name first to avoid different ordering on hash changes

Author: bors

README.md

@@ -54,7 +54,7 @@ See [CONTRIBUTING.md](CONTRIBUTING.md).
 
 For a detailed explanation of the compiler's architecture and how to begin contributing, see the [rustc-dev-guide](https://rustc-dev-guide.rust-lang.org/).
 
-test
+test1
 
 ## License