Test -Zremap-path-scope=split-debuginfo with -Csplit-debuginfo=packed

Author: Urgau

tests/run-make/remap-path-prefix/Makefile

@@ -32,3 +32,8 @@ remap-with-scope:
 	$(RUSTC) --remap-path-prefix $$PWD/auxiliary=/the/aux -Zremap-path-scope=split-debuginfo $(DEBUGINFOOPTS) --crate-type=lib --emit=metadata auxiliary/lib.rs
 	! grep "/the/aux/lib.rs" $(TMPDIR)/liblib.rmeta || exit 1
 	grep "$$PWD/auxiliary" $(TMPDIR)/liblib.rmeta || exit 1
+
+    # FIXME: We should test the split debuginfo files, but we don't currently a good infra for that
+	$(RUSTC) --remap-path-prefix $$PWD/auxiliary=/the/aux -Zremap-path-scope=split-debuginfo -Zunstable-options -Csplit-debuginfo=packed --crate-type=lib --emit=metadata auxiliary/lib.rs
+	grep "/the/aux/lib.rs" $(TMPDIR)/liblib.rmeta || exit 1
+	! grep "$$PWD/auxiliary" $(TMPDIR)/liblib.rmeta || exit 1