From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/enum/enum-discrim-too-small.rs | 38 ++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/test/ui/enum/enum-discrim-too-small.rs

(limited to 'src/test/ui/enum/enum-discrim-too-small.rs')

diff --git a/src/test/ui/enum/enum-discrim-too-small.rs b/src/test/ui/enum/enum-discrim-too-small.rs
new file mode 100644
index 000000000..e49841402
--- /dev/null
+++ b/src/test/ui/enum/enum-discrim-too-small.rs
@@ -0,0 +1,38 @@
+#[repr(u8)]
+enum Eu8 {
+    Au8 = 23,
+    Bu8 = 223,
+    Cu8 = -23,
+    //~^ ERROR cannot apply unary operator `-` to type `u8`
+}
+
+#[repr(u16)]
+enum Eu16 {
+    Au16 = 23,
+    Bu16 = 55555,
+    Cu16 = -22333,
+    //~^ ERROR cannot apply unary operator `-` to type `u16`
+}
+
+#[repr(u32)]
+enum Eu32 {
+    Au32 = 23,
+    Bu32 = 3_000_000_000,
+    Cu32 = -2_000_000_000,
+    //~^ ERROR cannot apply unary operator `-` to type `u32`
+}
+
+#[repr(u64)]
+enum Eu64 {
+    Au32 = 23,
+    Bu32 = 3_000_000_000,
+    Cu32 = -2_000_000_000,
+    //~^ ERROR cannot apply unary operator `-` to type `u64`
+}
+
+// u64 currently allows negative numbers, and i64 allows numbers greater than `1<<63`.  This is a
+// little counterintuitive, but since the discriminant can store all the bits, and extracting it
+// with a cast requires specifying the signedness, there is no loss of information in those cases.
+// This also applies to isize and usize on 64-bit targets.
+
+pub fn main() { }
-- 
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