[GR-16469] Update Sulong to use the LLVM 9 toolchain

Author: eregon

mx.truffleruby/suite.py

@@ -9,7 +9,7 @@
                 "name": "tools",
                 "subdir": True,
                 # version must always be equal to the version of the "sulong" import below
-                "version": "7320bcd1a6533f07360f88b6844872b54afce052",
+                "version": "70c5f95afa7f3e5f66952310bcfe8bea50b78eb9",
                 "urls": [
                     {"url": "https://github.com/oracle/graal.git", "kind": "git"},
                     {"url": "https://curio.ssw.jku.at/nexus/content/repositories/snapshots", "kind": "binary"},
@@ -19,7 +19,7 @@
                 "name": "sulong",
                 "subdir": True,
                 # version must always be equal to the version of the "tools" import above
-                "version": "7320bcd1a6533f07360f88b6844872b54afce052",
+                "version": "70c5f95afa7f3e5f66952310bcfe8bea50b78eb9",
                 "urls": [
                     {"url": "https://github.com/oracle/graal.git", "kind": "git"},
                     {"url": "https://curio.ssw.jku.at/nexus/content/repositories/snapshots", "kind": "binary"},