[turbofan] Desugar JSUnaryNot(x) to Select(x, false, true).

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index ecac1a0db6472a14e018a9d0c12c96461757dc39..7ae16258e3be0e5fff4b2cd26e6da161fa1441f9 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -959,8 +959,10 @@ void BytecodeGraphBuilder::VisitDec(
 
 void BytecodeGraphBuilder::VisitLogicalNot(
     const interpreter::BytecodeArrayIterator& iterator) {
-  Node* node =
-      NewNode(javascript()->UnaryNot(), environment()->LookupAccumulator());
+  Node* value =
+      NewNode(javascript()->ToBoolean(), environment()->LookupAccumulator());
+  Node* node = NewNode(common()->Select(kMachAnyTagged), value,
+                       jsgraph()->FalseConstant(), jsgraph()->TrueConstant());
   environment()->BindAccumulator(node);
 }