[arm] [arm64] Add optional operators Float32Neg and Float64Neg.

src/compiler/typer.cc

Index: src/compiler/typer.cc
diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc
index d2efb97a094c45b500888b5ae6fea5405dd0a775..7330e372b58b35a935224bfb43494655ad3cd8e2 100644
--- a/src/compiler/typer.cc
+++ b/src/compiler/typer.cc
@@ -2363,6 +2363,8 @@ Type* Typer::Visitor::TypeFloat32SubPreserveNan(Node* node) {
   return Type::Number();
 }
 
+Type* Typer::Visitor::TypeFloat32Neg(Node* node) { return Type::Number(); }
+
 Type* Typer::Visitor::TypeFloat32Mul(Node* node) { return Type::Number(); }
 
 
@@ -2406,6 +2408,8 @@ Type* Typer::Visitor::TypeFloat64SubPreserveNan(Node* node) {
   return Type::Number();
 }
 
+Type* Typer::Visitor::TypeFloat64Neg(Node* node) { return Type::Number(); }
+
 Type* Typer::Visitor::TypeFloat64Mul(Node* node) { return Type::Number(); }