[llvm-branch-commits] [clang] [Clang] [C++26] Expansion Statements (Part 6: Destructuring Expansion Statements) (PR #169685)

Corentin Jabot via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Mon Jun 1 04:58:39 PDT 2026


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@@ -274,6 +274,51 @@ static IterableExpansionStmtData TryBuildIterableExpansionStmtInitializer(
   return Data;
 }
 
+static StmtResult BuildDestructuringDecompositionDecl(
+    Sema &S, Expr *ExpansionInitializer, SourceLocation ColonLoc,
+    bool VarIsConstexpr,
+    ArrayRef<MaterializeTemporaryExpr *> LifetimeExtendTemps) {
+  auto Ctx = Sema::ExpressionEvaluationContext::PotentiallyEvaluated;
+  if (VarIsConstexpr)
+    Ctx = Sema::ExpressionEvaluationContext::ImmediateFunctionContext;
----------------
cor3ntin wrote:

We could have a `Sema::ExpressionEvaluationContextEvaluatedOrImmediate(bool constexpr)`.

However in this context shouldn't the context always be immediate? 

https://github.com/llvm/llvm-project/pull/169685


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