[flang-commits] [flang] [flang] Implement conditional expressions parser/semantics (F2023) (PR #186489)

[Peter Klausler via flang-commits]

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@@ -92,6 +92,23 @@ class IsConstantExprHelper
                 !sym.attrs().test(semantics::Attr::VALUE)));
   }
 
+  template <typename T>
+  bool operator()(const ConditionalExpr<T> &conditional) const {
+    // A conditional expression is constant if all its conditions and values are
+    // constant
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klausler wrote:

`(.TRUE. ? 1 : x)` is constant even though `x` is not.

https://github.com/llvm/llvm-project/pull/186489