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-rw-r--r--src/test/ui/sepcomp/sepcomp-extern.rs33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/sepcomp/sepcomp-extern.rs b/src/test/ui/sepcomp/sepcomp-extern.rs
new file mode 100644
index 000000000..6323bf664
--- /dev/null
+++ b/src/test/ui/sepcomp/sepcomp-extern.rs
@@ -0,0 +1,33 @@
+// run-pass
+// compile-flags: -C codegen-units=3
+// aux-build:sepcomp-extern-lib.rs
+
+// Test accessing external items from multiple compilation units.
+
+extern crate sepcomp_extern_lib;
+
+extern "C" {
+ fn foo() -> usize;
+}
+
+fn call1() -> usize {
+ unsafe { foo() }
+}
+
+mod a {
+ pub fn call2() -> usize {
+ unsafe { ::foo() }
+ }
+}
+
+mod b {
+ pub fn call3() -> usize {
+ unsafe { ::foo() }
+ }
+}
+
+fn main() {
+ assert_eq!(call1(), 1234);
+ assert_eq!(a::call2(), 1234);
+ assert_eq!(b::call3(), 1234);
+}