[wasm] Add guard regions to end of WebAssembly.Memory buffers

test/debugger/debugger.status

Index: test/debugger/debugger.status
diff --git a/test/debugger/debugger.status b/test/debugger/debugger.status
index 497479508fa6c5c7647a24e3f018da8052704ae7..1795bd9d8cbeafbf82ea403b2fa943b9a6f2b860 100644
--- a/test/debugger/debugger.status
+++ b/test/debugger/debugger.status
@@ -41,4 +41,15 @@
   'debug/harmony/async-debug-caught-exception-cases2': [SKIP],
   'debug/harmony/async-debug-caught-exception-cases3': [SKIP],
 }],  # 'gc_stress == True'
+
+##############################################################################
+['variant == asm_wasm', {
+  '*': [SKIP],
+}],  # variant == asm_wasm
+
+##############################################################################
+['variant == wasm_traps', {
+  '*': [SKIP],
+}],  # variant == wasm_traps
+
 ]