[llvm] [flang][runtime] Handle empty NAMELIST value list (PR #151770)

[Andre Kuhlenschmidt via llvm-commits]

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@@ -570,12 +570,14 @@ bool IODEF(InputNamelist)(Cookie cookie, const NamelistGroup &group) {
         addendum && addendum->derivedType()) {
       const NonTbpDefinedIoTable *table{group.nonTbpDefinedIo};
       listInput->ResetForNextNamelistItem(/*inNamelistSequence=*/true);
-      if (!IONAME(InputDerivedType)(cookie, *useDescriptor, table)) {
+      if (!IONAME(InputDerivedType)(cookie, *useDescriptor, table) &&
+          io.GetIoErrorHandler().InError()) {
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akuhlens wrote:

Could this just be `handler.InError()`? Same question below. 

https://github.com/llvm/llvm-project/pull/151770