Generalize from passing around a single path to the test file to passing

around a set of paths called `TestPaths`

This commit is not quite standalone; it basically contains all the
borrowing plumbing bits, the interesting stuff comes in the next commit.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/libtest/lib.rs b/src/libtest/lib.rs
index 5693cc10a0f..e82451937d3 100644
--- a/src/libtest/lib.rs
+++ b/src/libtest/lib.rs
@@ -203,7 +203,12 @@ pub struct TestDesc {
     pub should_panic: ShouldPanic,
 }
 
-unsafe impl Send for TestDesc {}
+#[derive(Clone)]
+pub struct TestPaths {
+    pub file: PathBuf,         // e.g., compile-test/foo/bar/baz.rs
+    pub base: PathBuf,         // e.g., compile-test, auxiliary
+    pub relative_dir: PathBuf, // e.g., foo/bar
+}
 
 #[derive(Debug)]
 pub struct TestDescAndFn {