From 9f59d0dc92db8a8ecef57d6fb5eb39b63e24bca4 Mon Sep 17 00:00:00 2001
From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Mon, 15 Jul 2019 17:12:38 +0200
Subject: [PATCH] Support storage classes in function types (#46)

---
 src/lib.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 37c5553..b593173 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -849,7 +849,15 @@ impl<'a> ParserState<'a> {
 
     fn read_func_type(&mut self) -> Result<Type<'a>> {
         let calling_conv = self.read_calling_conv()?;
-        let return_type = self.read_var_type(StorageClass::empty())?;
+        // this might have to be conditional on template context.  For now
+        // this does not cause issues.  For more information see
+        // https://github.com/mstange/msvc-demangler-rust/issues/21
+        let sc = if self.consume(b"?") {
+            self.read_storage_class()
+        } else {
+            StorageClass::empty()
+        };
+        let return_type = self.read_var_type(sc)?;
         let params = self.read_func_params()?;
         Ok(Type::NonMemberFunction(
             calling_conv,