[wasm] Initial signal handler

src/d8.cc

Index: src/d8.cc
diff --git a/src/d8.cc b/src/d8.cc
index fcdf2b6e43e0a57f57520d904099e75a63ee7af0..13a9370e5dd8ac5093951b59072eebfaf9a25fc3 100644
--- a/src/d8.cc
+++ b/src/d8.cc
@@ -35,6 +35,7 @@
 #include "src/msan.h"
 #include "src/objects-inl.h"
 #include "src/snapshot/natives.h"
+#include "src/trap-handler/trap-handler.h"
 #include "src/utils.h"
 #include "src/v8.h"
 
@@ -2839,6 +2840,13 @@ int Shell::Main(int argc, char* argv[]) {
     create_params.add_histogram_sample_callback = AddHistogramSample;
   }
 
+  if (i::trap_handler::ShouldEnableTrapHandler()) {
+    if (!v8::V8::RegisterDefaultSignalHandler()) {
+      fprintf(stderr, "Could not register signal handler");
+      exit(1);
+    }
+  }
+
   Isolate* isolate = Isolate::New(create_params);
   {
     Isolate::Scope scope(isolate);