[wasm] Pass byte position for trapping instructions

src/wasm/wasm-opcodes.h

Index: src/wasm/wasm-opcodes.h
diff --git a/src/wasm/wasm-opcodes.h b/src/wasm/wasm-opcodes.h
index c7c9214d74e2f8e677d79c0964f2c1049392659d..12a3a14f0b4f5f0879de2266155010c6fe2890b9 100644
--- a/src/wasm/wasm-opcodes.h
+++ b/src/wasm/wasm-opcodes.h
@@ -51,6 +51,9 @@ std::ostream& operator<<(std::ostream& os, const FunctionSig& function);
 
 typedef Vector<const char> WasmName;
 
+typedef int WasmCodePosition;
+const WasmCodePosition kNoCodePosition = -1;
+
 // Control expressions and blocks.
 #define FOREACH_CONTROL_OPCODE(V) \
   V(Nop, 0x00, _)                 \