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

src/compiler/verifier.cc

Index: src/compiler/verifier.cc
diff --git a/src/compiler/verifier.cc b/src/compiler/verifier.cc
index 7bf57edb573642633736439cbd2912851f7df88f..3649303b28817c36d45d3bea115cfc1c33078b41 100644
--- a/src/compiler/verifier.cc
+++ b/src/compiler/verifier.cc
@@ -456,7 +456,6 @@ void Verifier::Visitor::Check(Node* node) {
     case IrOpcode::kJSGreaterThan:
     case IrOpcode::kJSLessThanOrEqual:
     case IrOpcode::kJSGreaterThanOrEqual:
-    case IrOpcode::kJSUnaryNot:
       // Type is Boolean.
       CheckUpperIs(node, Type::Boolean());
       break;