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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/incremental/issue-82920-predicate-order-miscompile.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/incremental/issue-82920-predicate-order-miscompile.rs')
-rw-r--r--src/test/incremental/issue-82920-predicate-order-miscompile.rs31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/incremental/issue-82920-predicate-order-miscompile.rs b/src/test/incremental/issue-82920-predicate-order-miscompile.rs
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index 000000000..793af679c
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+++ b/src/test/incremental/issue-82920-predicate-order-miscompile.rs
@@ -0,0 +1,31 @@
+// revisions: rpass1 rpass2
+
+trait MyTrait: One + Two {}
+impl<T> One for T {
+ fn method_one(&self) -> usize {
+ 1
+ }
+}
+impl<T> Two for T {
+ fn method_two(&self) -> usize {
+ 2
+ }
+}
+impl<T: One + Two> MyTrait for T {}
+
+fn main() {
+ let a: &dyn MyTrait = &true;
+ assert_eq!(a.method_one(), 1);
+ assert_eq!(a.method_two(), 2);
+}
+
+// Re-order traits 'One' and 'Two' between compilation
+// sessions
+
+#[cfg(rpass1)]
+trait One { fn method_one(&self) -> usize; }
+
+trait Two { fn method_two(&self) -> usize; }
+
+#[cfg(rpass2)]
+trait One { fn method_one(&self) -> usize; }