awhile -> a while where appropriate

Author: nabijaczleweli

compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp

@@ -1275,7 +1275,7 @@ extern "C" void LLVMRustSetModuleCodeModel(LLVMModuleRef M,
 //
 // Otherwise I'll apologize in advance, it probably requires a relatively
 // significant investment on your part to "truly understand" what's going on
-// here. Not saying I do myself, but it took me awhile staring at LLVM's source
+// here. Not saying I do myself, but it took me a while staring at LLVM's source
 // and various online resources about ThinLTO to make heads or tails of all
 // this.
 

library/std/src/sync/mpmc/mod.rs

@@ -187,7 +187,7 @@ use crate::time::{Duration, Instant};
 ///     sender.send(expensive_computation()).unwrap();
 /// });
 ///
-/// // Do some useful work for awhile
+/// // Do some useful work for a while
 ///
 /// // Let's see what that answer was
 /// println!("{:?}", receiver.recv().unwrap());

library/std/src/sync/mpsc.rs

@@ -509,7 +509,7 @@ pub enum TrySendError<T> {
 ///     sender.send(expensive_computation()).unwrap();
 /// });
 ///
-/// // Do some useful work for awhile
+/// // Do some useful work for a while
 ///
 /// // Let's see what that answer was
 /// println!("{:?}", receiver.recv().unwrap());

src/tools/rust-analyzer/crates/ide/src/file_structure.rs

@@ -329,7 +329,7 @@ macro_rules! mcexp {
 #[deprecated]
 fn obsolete() {}
 
-#[deprecated(note = "for awhile")]
+#[deprecated(note = "for a while")]
 fn very_obsolete() {}
 
 // region: Some region name

tests/ui/process/core-run-destroy.rs

@@ -37,7 +37,7 @@ pub fn sleeper() -> Child {
 pub fn sleeper() -> Child {
     // There's a `timeout` command on windows, but it doesn't like having
     // its output piped, so instead just ping ourselves a few times with
-    // gaps in between so we're sure this process is alive for awhile
+    // gaps in between so we're sure this process is alive for a while
     t!(Command::new("ping").arg("127.0.0.1").arg("-n").arg("1000").spawn())
 }