testsuite: UnboxedTuples fails on powerpc64le

+++ ghci/should_run/UnboxedTuples/UnboxedTuples.run/UnboxedTuples.run.stderr.normalised	2021-03-26 11:39:02.060000000 +0000
@@ -0,0 +1,4 @@
+
+UnboxedTuples:6:30:
+    Not in scope: ‘Main.main’
+    No module named ‘Main’ is imported.

RTS linker is not implemented on this platform. Could this be the root cause of this error?

For more details see build log.

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information