From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/incremental/hashes/consts.rs | 109 +++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 tests/incremental/hashes/consts.rs

(limited to 'tests/incremental/hashes/consts.rs')

diff --git a/tests/incremental/hashes/consts.rs b/tests/incremental/hashes/consts.rs
new file mode 100644
index 000000000..eaef63386
--- /dev/null
+++ b/tests/incremental/hashes/consts.rs
@@ -0,0 +1,109 @@
+// This test case tests the incremental compilation hash (ICH) implementation
+// for consts.
+
+// The general pattern followed here is: Change one thing between rev1 and rev2
+// and make sure that the hash has changed, then change nothing between rev2 and
+// rev3 and make sure that the hash has not changed.
+
+// build-pass (FIXME(62277): could be check-pass?)
+// revisions: cfail1 cfail2 cfail3
+// compile-flags: -Z query-dep-graph -O
+
+#![allow(warnings)]
+#![feature(rustc_attrs)]
+#![crate_type="rlib"]
+
+
+// Change const visibility
+#[cfg(cfail1)]
+const CONST_VISIBILITY: u8 = 0;
+
+#[cfg(not(cfail1))]
+#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes")]
+#[rustc_clean(cfg="cfail3")]
+pub const CONST_VISIBILITY: u8 = 0;
+
+
+// Change type from i32 to u32
+#[cfg(cfail1)]
+const CONST_CHANGE_TYPE_1: i32 = 0;
+
+#[cfg(not(cfail1))]
+#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,type_of")]
+#[rustc_clean(cfg="cfail3")]
+const CONST_CHANGE_TYPE_1: u32 = 0;
+
+
+// Change type from Option<u32> to Option<u64>
+#[cfg(cfail1)]
+const CONST_CHANGE_TYPE_2: Option<u32> = None;
+
+#[cfg(not(cfail1))]
+#[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,type_of")]
+#[rustc_clean(cfg="cfail3")]
+const CONST_CHANGE_TYPE_2: Option<u64> = None;
+
+
+// Change value between simple literals
+#[rustc_clean(cfg="cfail2", except="hir_owner_nodes")]
+#[rustc_clean(cfg="cfail3")]
+const CONST_CHANGE_VALUE_1: i16 = {
+    #[cfg(cfail1)]
+    { 1 }
+
+    #[cfg(not(cfail1))]
+    { 2 }
+};
+
+
+// Change value between expressions
+#[rustc_clean(cfg="cfail2", except="hir_owner_nodes")]
+#[rustc_clean(cfg="cfail3")]
+const CONST_CHANGE_VALUE_2: i16 = {
+    #[cfg(cfail1)]
+    { 1 + 1 }
+
+    #[cfg(not(cfail1))]
+    { 1 + 2 }
+};
+
+#[rustc_clean(cfg="cfail2", except="hir_owner_nodes")]
+#[rustc_clean(cfg="cfail3")]
+const CONST_CHANGE_VALUE_3: i16 = {
+    #[cfg(cfail1)]
+    { 2 + 3 }
+
+    #[cfg(not(cfail1))]
+    { 2 * 3 }
+};
+
+#[rustc_clean(cfg="cfail2", except="hir_owner_nodes")]
+#[rustc_clean(cfg="cfail3")]
+const CONST_CHANGE_VALUE_4: i16 = {
+    #[cfg(cfail1)]
+    { 1 + 2 * 3 }
+
+    #[cfg(not(cfail1))]
+    { 1 + 2 * 4 }
+};
+
+
+// Change type indirectly
+struct ReferencedType1;
+struct ReferencedType2;
+
+mod const_change_type_indirectly {
+    #[cfg(cfail1)]
+    use super::ReferencedType1 as Type;
+
+    #[cfg(not(cfail1))]
+    use super::ReferencedType2 as Type;
+
+    #[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,type_of")]
+    #[rustc_clean(cfg="cfail3")]
+    const CONST_CHANGE_TYPE_INDIRECTLY_1: Type = Type;
+
+    #[rustc_clean(cfg="cfail2", except="hir_owner,hir_owner_nodes,type_of")]
+    #[rustc_clean(cfg="cfail3")]
+    const CONST_CHANGE_TYPE_INDIRECTLY_2: Option<Type> = None;
+}
-- 
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