[wasm] Provide backoff implementations for the Fxx rounding instructions

src/compiler/fast-accessor-assembler.cc

Index: src/compiler/fast-accessor-assembler.cc
diff --git a/src/compiler/fast-accessor-assembler.cc b/src/compiler/fast-accessor-assembler.cc
index 4a9f621db5cbbb1fa73eb4e702e015a32c6d19fa..518003b2eedb0d8885b27bd599dd6fb63e74ae71 100644
--- a/src/compiler/fast-accessor-assembler.cc
+++ b/src/compiler/fast-accessor-assembler.cc
@@ -167,7 +167,6 @@ void FastAccessorAssembler::CheckNotZeroOrJump(ValueId value_id,
   assembler_->Bind(&pass);
 }
 
-
 FastAccessorAssembler::ValueId FastAccessorAssembler::Call(
     FunctionCallback callback_function, ValueId arg) {
   CHECK_EQ(kBuilding, state_);
@@ -209,7 +208,6 @@ FastAccessorAssembler::ValueId FastAccessorAssembler::Call(
   return FromRaw(call);
 }
 
-
 MaybeHandle<Code> FastAccessorAssembler::Build() {
   CHECK_EQ(kBuilding, state_);