[turbofan] Add support for accessing Uint8ClampedArrays.

src/compiler/effect-control-linearizer.h

Index: src/compiler/effect-control-linearizer.h
diff --git a/src/compiler/effect-control-linearizer.h b/src/compiler/effect-control-linearizer.h
index b9344131e1bb383d12d427ded44f50504881d2ae..bc0366ae2083b86312c4007ab28d561fdc474746 100644
--- a/src/compiler/effect-control-linearizer.h
+++ b/src/compiler/effect-control-linearizer.h
@@ -182,6 +182,8 @@ class V8_EXPORT_PRIVATE EffectControlLinearizer {
                                          Node* control);
   ValueEffectControl LowerFloat64RoundDown(Node* node, Node* effect,
                                            Node* control);
+  ValueEffectControl LowerFloat64RoundTiesEven(Node* node, Node* effect,
+                                               Node* control);
   ValueEffectControl LowerFloat64RoundTruncate(Node* node, Node* effect,
                                                Node* control);
 
@@ -193,6 +195,8 @@ class V8_EXPORT_PRIVATE EffectControlLinearizer {
   ValueEffectControl BuildCheckedHeapNumberOrOddballToFloat64(
       CheckTaggedInputMode mode, Node* value, Node* frame_state, Node* effect,
       Node* control);
+  ValueEffectControl BuildFloat64RoundDown(Node* value, Node* effect,
+                                           Node* control);
   ValueEffectControl LowerStringComparison(Callable const& callable, Node* node,
                                            Node* effect, Node* control);