Support constant evaluation for member calls on std::initializer_list

temporaries.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@224449 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index 59b8e988bf46672af841de7dcef16eeedffe6db8..3d7f2dca7a2f74cc6c13554ab9ee21b108fb7462 100644 (file)
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -5474,6 +5474,9 @@ public:
   bool VisitCallExpr(const CallExpr *E) {
     return VisitConstructExpr(E);
   }
+  bool VisitCXXStdInitializerListExpr(const CXXStdInitializerListExpr *E) {
+    return VisitConstructExpr(E);
+  }
 };
 } // end anonymous namespace
 

diff --git a/test/SemaCXX/constant-expression-cxx11.cpp b/test/SemaCXX/constant-expression-cxx11.cpp
index dbb1255ef1c899e13abcc7b2d087fb88700897f9..e684f091aeea1c566e1336c7160aa671cd83c707 100644 (file)
--- a/test/SemaCXX/constant-expression-cxx11.cpp
+++ b/test/SemaCXX/constant-expression-cxx11.cpp
@@ -1712,6 +1712,9 @@ namespace InitializerList {
     return sum(ints.begin(), ints.end());
   }
   static_assert(sum({1, 2, 3, 4, 5}) == 15, "");
+
+  static_assert(*std::initializer_list<int>{1, 2, 3}.begin() == 1, "");
+  static_assert(std::initializer_list<int>{1, 2, 3}.begin()[2] == 3, "");
 }
 
 namespace StmtExpr {