Ignore proc-macro feature on wasm-target
diff --git a/src/buffer.rs b/src/buffer.rs
index cc05485..da37427 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -127,7 +127,7 @@
// and caution should be used when editing it. The public-facing interface is
// 100% safe but the implementation is fragile internally.
-#[cfg(feature = "proc-macro")]
+#[cfg(all(not(all(target_arch = "wasm32", target_os = "unknown")), feature = "proc-macro"))]
use proc_macro as pm;
use proc_macro2::{Delimiter, Ident, Literal, Span, TokenStream};
use proc_macro2::{Group, Punct, TokenTree};
@@ -223,7 +223,7 @@
///
/// *This method is available if Syn is built with both the `"parsing"` and
/// `"proc-macro"` features.*
- #[cfg(feature = "proc-macro")]
+ #[cfg(all(not(all(target_arch = "wasm32", target_os = "unknown")), feature = "proc-macro"))]
pub fn new(stream: pm::TokenStream) -> TokenBuffer {
Self::new2(stream.into())
}