Auto merge of #26631 - richo:comment-updates, r=steveklabnik

I've attempted to lurk these into a few PRs since they're tiny, but those PR's haven't landed so here they are.

r? @steveklabnik

Author: bors

src/librustc_driver/lib.rs

@@ -481,8 +481,7 @@ pub fn commit_date_str() -> Option<&'static str> {
     option_env!("CFG_VER_DATE")
 }
 
-/// Prints version information and returns None on success or an error
-/// message on panic.
+/// Prints version information
 pub fn version(binary: &str, matches: &getopts::Matches) {
     let verbose = matches.opt_present("verbose");
 

src/rt/rust_try.ll

@@ -12,7 +12,7 @@
 ; When f(...) returns normally, the return value is null.
 ; When f(...) throws, the return value is a pointer to the caught exception object.
 
-; See also: libstd/rt/unwind.rs
+; See also: libstd/rt/unwind/mod.rs
 
 define i8* @rust_try(void (i8*)* %f, i8* %env) {