[wasm] Fixed FxxNeg for inputs of NaN.

src/compiler/wasm-compiler.h

Index: src/compiler/wasm-compiler.h
diff --git a/src/compiler/wasm-compiler.h b/src/compiler/wasm-compiler.h
index 182648c1182887e0b49b44720c18519ec6674dcc..4c1f95e253152e614ba6ff8747b7d2fe11222c75 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -162,6 +162,8 @@ class WasmGraphBuilder {
   void BoundsCheckMem(MachineType memtype, Node* index, uint32_t offset);
 
   Node* BuildWasmCall(wasm::FunctionSig* sig, Node** args);
+  Node* BuildF32Neg(Node* input);
+  Node* BuildF64Neg(Node* input);
   Node* BuildF32CopySign(Node* left, Node* right);
   Node* BuildF64CopySign(Node* left, Node* right);
   Node* BuildF32Min(Node* left, Node* right);