From cccc3109ffc61a742bcaa9241e457ceadb96ce95 Mon Sep 17 00:00:00 2001
From: David Wood <david@davidtw.co>
Date: Tue, 14 Jul 2020 19:26:34 +0100
Subject: lint: use `transparent_newtype_field` to avoid ICE

This commit re-uses the `transparent_newtype_field` function instead of
manually calling `is_zst` on normalized fields to determine which field
in a transparent type is the non-zero-sized field, thus avoiding an ICE.

Signed-off-by: David Wood <david@davidtw.co>
---
 src/test/ui/lint/lint-ctypes-73747.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/test/ui/lint/lint-ctypes-73747.rs

(limited to 'src/test')

diff --git a/src/test/ui/lint/lint-ctypes-73747.rs b/src/test/ui/lint/lint-ctypes-73747.rs
new file mode 100644
index 00000000000..293ffd5c28e
--- /dev/null
+++ b/src/test/ui/lint/lint-ctypes-73747.rs
@@ -0,0 +1,14 @@
+// check-pass
+
+#[repr(transparent)]
+struct NonNullRawComPtr<T: ComInterface> {
+    inner: std::ptr::NonNull<<T as ComInterface>::VTable>,
+}
+
+trait ComInterface {
+    type VTable;
+}
+
+extern "C" fn invoke<T: ComInterface>(_: Option<NonNullRawComPtr<T>>) {}
+
+fn main() {}
-- 
cgit 1.4.1-3-g733a5