S390: Initial test changes and files checkin.

test/mjsunit/mjsunit.status

Index: test/mjsunit/mjsunit.status
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index d2e204b6766442c66dfc0cf8f1116e1270464237..7f0232e404370b122a45dae95bc873457622ebce 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -716,6 +716,16 @@
 }],  # 'arch == nacl_ia32 or arch == nacl_x64'
 
 ##############################################################################
+['arch == s390 or arch == s390x', {
+
+  # Stack manipulations in LiveEdit is not implemented for this arch.
+  'debug-liveedit-check-stack': [SKIP],
+  'debug-liveedit-stack-padding': [SKIP],
+  'debug-liveedit-restart-frame': [SKIP],
+  'debug-liveedit-double-call': [SKIP],
+}],  # 'arch == s390 or arch == s390x'
+
+##############################################################################
 ['deopt_fuzzer == True', {
 
   # Skip tests that are not suitable for deoptimization fuzzing.