[wasm] Fix I32ReinterpretF32 and I64ReinterpretF64 on ia32.

src/wasm/wasm-interpreter.h

Index: src/wasm/wasm-interpreter.h
diff --git a/src/wasm/wasm-interpreter.h b/src/wasm/wasm-interpreter.h
index 217c8b37f0bf8cca7702000b8ef7f142ab07bfc6..87758bdd24f352c7a7158aa517afa140308b1c40 100644
--- a/src/wasm/wasm-interpreter.h
+++ b/src/wasm/wasm-interpreter.h
@@ -56,13 +56,22 @@ struct WasmVal {
 #undef DECLARE_CONSTRUCTOR
 
   template <typename T>
-  T to() {
+  inline T to() {
+    UNREACHABLE();
+  }
+
+  template <typename T>
+  inline T to_unchecked() {
     UNREACHABLE();
   }
 };
 
 #define DECLARE_CAST(field, localtype, ctype) \
   template <>                                 \
+  inline ctype WasmVal::to_unchecked() {      \
+    return val.field;                         \
+  }                                           \
+  template <>                                 \
   inline ctype WasmVal::to() {                \
     CHECK_EQ(localtype, type);                \
     return val.field;                         \
@@ -70,11 +79,6 @@ struct WasmVal {
 FOREACH_UNION_MEMBER(DECLARE_CAST)
 #undef DECLARE_CAST
 
-template <>
-inline void WasmVal::to() {
-  CHECK_EQ(kWasmStmt, type);
-}
-
 // Representation of frames within the interpreter.
 class WasmFrame {
  public: