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/discrim/discrim-overflow-2.rs | 80 +++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 src/test/ui/discrim/discrim-overflow-2.rs

(limited to 'src/test/ui/discrim/discrim-overflow-2.rs')

diff --git a/src/test/ui/discrim/discrim-overflow-2.rs b/src/test/ui/discrim/discrim-overflow-2.rs
new file mode 100644
index 000000000..ca24317c5
--- /dev/null
+++ b/src/test/ui/discrim/discrim-overflow-2.rs
@@ -0,0 +1,80 @@
+// Issue 23030: Detect overflowing discriminant
+//
+// Check that we detect the overflow even if enum is not used.
+
+// See also run-pass/discrim-explicit-23030.rs where the suggested
+// workaround is tested.
+
+fn f_i8() {
+    #[repr(i8)]
+    enum A {
+        Ok = i8::MAX - 1,
+        Ok2,
+        OhNo, //~ ERROR enum discriminant overflowed [E0370]
+    }
+}
+
+fn f_u8() {
+    #[repr(u8)]
+    enum A {
+        Ok = u8::MAX - 1,
+        Ok2,
+        OhNo, //~ ERROR enum discriminant overflowed [E0370]
+    }
+}
+
+fn f_i16() {
+    #[repr(i16)]
+    enum A {
+        Ok = i16::MAX - 1,
+        Ok2,
+        OhNo, //~ ERROR enum discriminant overflowed [E0370]
+    }
+}
+
+fn f_u16() {
+    #[repr(u16)]
+    enum A {
+        Ok = u16::MAX - 1,
+        Ok2,
+        OhNo, //~ ERROR enum discriminant overflowed [E0370]
+    }
+}
+
+fn f_i32() {
+    #[repr(i32)]
+    enum A {
+        Ok = i32::MAX - 1,
+        Ok2,
+        OhNo, //~ ERROR enum discriminant overflowed [E0370]
+    }
+}
+
+fn f_u32() {
+    #[repr(u32)]
+    enum A {
+        Ok = u32::MAX - 1,
+        Ok2,
+        OhNo, //~ ERROR enum discriminant overflowed [E0370]
+    }
+}
+
+fn f_i64() {
+    #[repr(i64)]
+    enum A {
+        Ok = i64::MAX - 1,
+        Ok2,
+        OhNo, //~ ERROR enum discriminant overflowed [E0370]
+    }
+}
+
+fn f_u64() {
+    #[repr(u64)]
+    enum A {
+        Ok = u64::MAX - 1,
+        Ok2,
+        OhNo, //~ ERROR enum discriminant overflowed [E0370]
+    }
+}
+
+fn main() { }
-- 
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