codegen: Properly mangle nested anonymous enums with duplicated variants.

2 files changed, 69 insertions, 0 deletions

diff --git a/libbindgen/tests/expectations/tests/anon_enum_trait.rs b/libbindgen/tests/expectations/tests/anon_enum_trait.rs
new file mode 100644
index 00000000..8198bc15
--- /dev/null
+++ b/libbindgen/tests/expectations/tests/anon_enum_trait.rs
@@ -0,0 +1,47 @@
+/* automatically generated by rust-bindgen */
+
+
+#![allow(non_snake_case)]
+
+
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct DataType<_Tp> {
+    pub _address: u8,
+    pub _phantom_0: ::std::marker::PhantomData<_Tp>,
+}
+pub type DataType_value_type<_Tp> = _Tp;
+pub type DataType_work_type<_Tp> = DataType_value_type<_Tp>;
+pub type DataType_channel_type<_Tp> = DataType_value_type<_Tp>;
+pub type DataType_vec_type<_Tp> = DataType_value_type<_Tp>;
+pub const DataType_generic_type: DataType__bindgen_ty_1 =
+    DataType__bindgen_ty_1::generic_type;
+pub const DataType_depth: DataType__bindgen_ty_1 =
+    DataType__bindgen_ty_1::generic_type;
+pub const DataType_channels: DataType__bindgen_ty_1 =
+    DataType__bindgen_ty_1::generic_type;
+pub const DataType_fmt: DataType__bindgen_ty_1 =
+    DataType__bindgen_ty_1::generic_type;
+pub const DataType_type_: DataType__bindgen_ty_1 =
+    DataType__bindgen_ty_1::generic_type;
+#[repr(i32)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub enum DataType__bindgen_ty_1 { generic_type = 0, }
+#[repr(C)]
+#[derive(Debug, Copy)]
+pub struct Foo {
+    pub _address: u8,
+}
+pub const Foo_Bar: Foo__bindgen_ty_1 = Foo__bindgen_ty_1::Bar;
+pub const Foo_Baz: Foo__bindgen_ty_1 = Foo__bindgen_ty_1::Bar;
+#[repr(u32)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub enum Foo__bindgen_ty_1 { Bar = 0, }
+#[test]
+fn bindgen_test_layout_Foo() {
+    assert_eq!(::std::mem::size_of::<Foo>() , 1usize);
+    assert_eq!(::std::mem::align_of::<Foo>() , 1usize);
+}
+impl Clone for Foo {
+    fn clone(&self) -> Self { *self }
+}
diff --git a/libbindgen/tests/headers/anon_enum_trait.hpp b/libbindgen/tests/headers/anon_enum_trait.hpp
new file mode 100644
index 00000000..e1ec394c
--- /dev/null
+++ b/libbindgen/tests/headers/anon_enum_trait.hpp
@@ -0,0 +1,22 @@
+
+template<typename _Tp>
+class DataType {
+public:
+    typedef _Tp         value_type;
+    typedef value_type  work_type;
+    typedef value_type  channel_type;
+    typedef value_type  vec_type;
+    enum { generic_type = 1,
+           depth        = -1,
+           channels     = 1,
+           fmt          = 0,
+           type = -1,
+         };
+};
+
+struct Foo {
+  enum {
+    Bar = 0,
+    Baz = 0,
+  };
+};