From 86d41350c790502d3a1227bab3433ac7472ccb4c Mon Sep 17 00:00:00 2001
From: Olivier Goffart <ogoffart@woboq.com>
Date: Tue, 20 Nov 2018 12:14:53 +0100
Subject: Fix invalid bitcast taking bool out of a union represented as a
 scalar

As reported in https://github.com/rust-lang/rust/pull/54668#issuecomment-440186476
---
 src/test/codegen/union-abi.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/test/codegen')

diff --git a/src/test/codegen/union-abi.rs b/src/test/codegen/union-abi.rs
index 786968128ec..5a6df52502e 100644
--- a/src/test/codegen/union-abi.rs
+++ b/src/test/codegen/union-abi.rs
@@ -78,3 +78,9 @@ pub union CUnionU128{a:u128}
 #[no_mangle]
 pub fn test_CUnionU128(_: CUnionU128) { loop {} }
 
+pub union UnionBool { b:bool }
+// CHECK: define zeroext i1 @test_UnionBool(i8 %b)
+#[no_mangle]
+pub fn test_UnionBool(b: UnionBool) -> bool { unsafe { b.b }  }
+// CHECK: %0 = trunc i8 %b to i1
+
-- 
cgit 1.4.1-3-g733a5