include backtrace folder in rust-src component

RalfJung · RalfJung · commit d7a36d8964c9 · 2020-07-19T16:53:53.000+02:00
diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs
@@ -1005,6 +1005,7 @@ impl Step for Src {
         // (essentially libstd and all of its path dependencies)
         let std_src_dirs = [
             "src/build_helper",
+            "src/backtrace",
             "src/liballoc",
             "src/libcore",
             "src/libpanic_abort",
