[flang-commits] [clang] [flang] [flang][openacc] add extension which accepts multiple names in a OpenACC routine directive (PR #200296)

[Eugene Epshteyn via flang-commits]

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@@ -2094,7 +2094,19 @@ class UnparseVisitor {
   void Unparse(const OpenACCRoutineConstruct &x) {
     BeginOpenACC();
     Word("!$ACC ROUTINE");
-    Walk("(", std::get<std::optional<Name>>(x.t), ")");
+    const auto &names{std::get<std::list<Name>>(x.t)};
+    if (!names.empty()) {
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eugeneepshteyn wrote:

Check out comma-based `Walk()` overload around the line 3023. It may do what you need.

https://github.com/llvm/llvm-project/pull/200296