[wasm] Initial signal handler

test/cctest/cctest.cc

Index: test/cctest/cctest.cc
diff --git a/test/cctest/cctest.cc b/test/cctest/cctest.cc
index c987d8d375715f52ecf8ed54691dd16d72de8f1a..a216a254fc543ff70f01093776f1e09a98f28288 100644
--- a/test/cctest/cctest.cc
+++ b/test/cctest/cctest.cc
@@ -30,6 +30,7 @@
 
 #include "include/libplatform/libplatform.h"
 #include "src/debug/debug.h"
+#include "src/trap-handler/trap-handler.h"
 #include "test/cctest/print-extension.h"
 #include "test/cctest/profiler-extension.h"
 #include "test/cctest/trace-extension.h"
@@ -267,6 +268,10 @@ int main(int argc, char* argv[]) {
   v8::V8::Initialize();
   v8::V8::InitializeExternalStartupData(argv[0]);
 
+  if (i::trap_handler::EnableTrapHandler()) {
+    v8::V8::RegisterDefaultSignalHandler();
+  }
+
   CcTestArrayBufferAllocator array_buffer_allocator;
   CcTest::set_array_buffer_allocator(&array_buffer_allocator);