From faa2ff06abf9f9913aa311e8ee739c761237669d Mon Sep 17 00:00:00 2001
From: Xidorn Quan <me@upsuper.org>
Date: Tue, 25 Oct 2016 17:10:18 +1100
Subject: Use canonical type for checking integer type

---
 src/ir/ty.rs  | 11 +++++++----
 src/ir/var.rs |  2 +-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/ir/ty.rs b/src/ir/ty.rs
index bf45b9fc..5765a78c 100644
--- a/src/ir/ty.rs
+++ b/src/ir/ty.rs
@@ -104,10 +104,13 @@ impl Type {
         Self::new(Some(name), None, kind, false)
     }
 
-    pub fn is_integer_literal(&self) -> bool {
-        match *self.kind() {
-            TypeKind::Int(..) => true,
-            _ => false,
+    pub fn is_integer(&self, ctx: &BindgenContext) -> bool {
+        match self.kind {
+            TypeKind::UnresolvedTypeRef(..) => false,
+            _ => match self.canonical_type(ctx).kind {
+                TypeKind::Int(..) => true,
+                _ => false,
+            }
         }
     }
 
diff --git a/src/ir/var.rs b/src/ir/var.rs
index 23529bcd..8e7f6c42 100644
--- a/src/ir/var.rs
+++ b/src/ir/var.rs
@@ -112,7 +112,7 @@ impl ClangSubItemParser for Var {
                 // tests/headers/inner_const.hpp
                 //
                 // That's fine because in that case we know it's not a literal.
-                if context.safe_resolve_type(ty).map_or(false, |t| t.is_integer_literal()) {
+                if context.safe_resolve_type(ty).map_or(false, |t| t.is_integer(context)) {
                     // Try to parse a literal token value
                     cursor.visit(|c, _| {
                         if c.kind() == CXCursor_IntegerLiteral {
-- 
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