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authorTyler Ruckinger <t.ruckinger@gmail.com>2020-06-26 00:37:12 -0400
committerGitHub <noreply@github.com>2020-06-26 00:37:12 -0400
commit00ef46169e2b2631d41d6aa1b7c55b8abf006e50 (patch)
treede82ec4b5eefbef6f58767a7ac5c823fbf8776be /src/test/incremental/thinlto
parent8e6de3244cd62cbde367c206bc9972daded5281d (diff)
parent1033351a51dd3ca342a83d4be13f7554f0b4fb1e (diff)
downloadrust-00ef46169e2b2631d41d6aa1b7c55b8abf006e50.tar.gz
rust-00ef46169e2b2631d41d6aa1b7c55b8abf006e50.zip
Merge pull request #2 from rust-lang/master
update master
Diffstat (limited to 'src/test/incremental/thinlto')
-rw-r--r--src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs26
-rw-r--r--src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs26
2 files changed, 52 insertions, 0 deletions
diff --git a/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs b/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs
new file mode 100644
index 00000000000..4d48a5f0ac5
--- /dev/null
+++ b/src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs
@@ -0,0 +1,26 @@
+// revisions: cfail1 cfail2
+// build-pass
+
+// rust-lang/rust#69798:
+//
+// This is analgous to cgu_invalidated_when_import_added, but it covers a
+// problem uncovered where a change to the *export* set caused a link failure
+// when reusing post-LTO optimized object code.
+
+pub struct Foo {}
+impl Drop for Foo {
+    fn drop(&mut self) {
+        println!("Dropping Foo");
+    }
+}
+#[no_mangle]
+pub extern "C" fn run() {
+    thread_local! { pub static FOO : Foo = Foo { } ; }
+
+    #[cfg(cfail2)]
+    {
+        FOO.with(|_f| ())
+    }
+}
+
+pub fn main() { run() }
diff --git a/src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs b/src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs
new file mode 100644
index 00000000000..e85b4856f3a
--- /dev/null
+++ b/src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs
@@ -0,0 +1,26 @@
+// revisions: cfail1 cfail2
+// build-pass
+
+// rust-lang/rust#69798:
+//
+// This is analgous to cgu_invalidated_when_export_added, but it covers the
+// other direction. This is analogous to cgu_invalidated_when_import_added: we
+// include it, because it may uncover bugs in variant implementation strategies.
+
+pub struct Foo {}
+impl Drop for Foo {
+    fn drop(&mut self) {
+        println!("Dropping Foo");
+    }
+}
+#[no_mangle]
+pub extern "C" fn run() {
+    thread_local! { pub static FOO : Foo = Foo { } ; }
+
+    #[cfg(cfail1)]
+    {
+        FOO.with(|_f| ())
+    }
+}
+
+pub fn main() { run() }