handle WASM trap in the instruction scheduler.

src/compiler/instruction.h

Index: src/compiler/instruction.h
diff --git a/src/compiler/instruction.h b/src/compiler/instruction.h
index bba5bb3c177840be9071724fea4e342d1fe30b1b..cc19c52816905e2076dab6a4104248639a5e43f6 100644
--- a/src/compiler/instruction.h
+++ b/src/compiler/instruction.h
@@ -897,6 +897,10 @@ class V8_EXPORT_PRIVATE Instruction final {
            FlagsModeField::decode(opcode()) == kFlags_deoptimize;
   }
 
+  bool IsTrap() const {
+    return FlagsModeField::decode(opcode()) == kFlags_trap;
+  }
+
   bool IsJump() const { return arch_opcode() == ArchOpcode::kArchJmp; }
   bool IsRet() const { return arch_opcode() == ArchOpcode::kArchRet; }
   bool IsTailCall() const {