reduce Error-related codegen; add PoisonError

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/error/panic.rs

@@ -10,11 +10,14 @@ impl UnwindSafe for Error {}
 impl RefUnwindSafe for Error {}
 
 impl Error {
+	#[inline]
 	pub fn panic(self) -> ! { panic_any(self.into_panic()) }
 
 	#[must_use]
+	#[inline]
 	pub fn from_panic(e: Box<dyn Any + Send>) -> Self { Self::Panic(debug::panic_str(&e), e) }
 
+	#[inline]
 	pub fn into_panic(self) -> Box<dyn Any + Send + 'static> {
 		match self {
 			Self::Panic(_, e) | Self::PanicAny(e) => e,
@@ -24,6 +27,7 @@ impl Error {
 	}
 
 	/// Get the panic message string.
+	#[inline]
 	pub fn panic_str(self) -> Option<&'static str> {
 		self.is_panic()
 			.then_some(debug::panic_str(&self.into_panic()))