[clang][bytecode][NFC] Fix ternary operators with known IsArray values

After #146471, the
values here are known.

Author: tbaederr

clang/lib/AST/ByteCode/InterpBuiltin.cpp

@@ -1544,8 +1544,7 @@ static bool interp__builtin_operator_new(InterpState &S, CodePtr OpPC,
   // Composite arrays
   if (IsArray) {
     const Descriptor *Desc =
-        S.P.createDescriptor(NewCall, ElemType.getTypePtr(),
-                             IsArray ? std::nullopt : Descriptor::InlineDescMD);
+        S.P.createDescriptor(NewCall, ElemType.getTypePtr(), std::nullopt);
     Block *B =
         Allocator.allocate(Desc, NumElems.getZExtValue(), S.Ctx.getEvalID(),
                            DynamicAllocator::Form::Operator);
@@ -1558,9 +1557,8 @@ static bool interp__builtin_operator_new(InterpState &S, CodePtr OpPC,
   QualType AllocType = S.getASTContext().getConstantArrayType(
       ElemType, NumElems, nullptr, ArraySizeModifier::Normal, 0);
 
-  const Descriptor *Desc =
-      S.P.createDescriptor(NewCall, AllocType.getTypePtr(),
-                           IsArray ? std::nullopt : Descriptor::InlineDescMD);
+  const Descriptor *Desc = S.P.createDescriptor(NewCall, AllocType.getTypePtr(),
+                                                Descriptor::InlineDescMD);
   Block *B = Allocator.allocate(Desc, S.getContext().getEvalID(),
                                 DynamicAllocator::Form::Operator);
   assert(B);