Enable LLVM assertions on all auto bots

Closes #120

Author: alexcrichton

Diff for: master/master.cfg

@@ -849,7 +849,7 @@ class ConfigCommand(object):
     def getRenderingFor(self, props):
         opts=["sharedstd", "valgrind", "helgrind",
               "docs", "optimize", "optimize-tests",
-              "optimize-cxx", "optimize-llvm",
+              "optimize-cxx", "optimize-llvm", "llvm-assertions",
               "debug", "debug-assertions", "pax-flags", "clang",
               "inject-std-version", "llvm-static-stdcpp",
               "rustbuild", "nightly"]
@@ -1761,6 +1761,7 @@ for p in auto_platforms:
                         "targets": targets,
                         "debug": debug,
                         "debug-assertions": True,
+                        "llvm-assertions": True,
                         "check": chk,
                         "rustbuild": rustbuild},
             factory=make_and_check_buildfactory(chk, android,