[wasm] TrapIf and TrapUnless TurboFan operators implemented on ia32.

src/wasm/wasm-opcodes.cc

Index: src/wasm/wasm-opcodes.cc
diff --git a/src/wasm/wasm-opcodes.cc b/src/wasm/wasm-opcodes.cc
index 658c3b8c929d803db94d3e395bac0e44667059dc..662c0b37dbc903871359e1f8ff1f73ca2e7c4c19 100644
--- a/src/wasm/wasm-opcodes.cc
+++ b/src/wasm/wasm-opcodes.cc
@@ -176,16 +176,16 @@ int WasmOpcodes::TrapReasonToMessageId(TrapReason reason) {
   }
 }
 
-int32_t WasmOpcodes::TrapReasonToFunctionId(TrapReason reason) {
+Runtime::FunctionId WasmOpcodes::TrapReasonToFunctionId(TrapReason reason) {
   switch (reason) {
 #define TRAPREASON_TO_MESSAGE(name) \
   case k##name:                     \
-    return static_cast<int32_t>(Runtime::kThrowWasm##name);
+    return Runtime::kThrowWasm##name;
     FOREACH_WASM_TRAPREASON(TRAPREASON_TO_MESSAGE)
 #undef TRAPREASON_TO_MESSAGE
     default:
       UNREACHABLE();
-      return -1;
+      return Runtime::kNumFunctions;
   }
 }