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-rw-r--r--lib/AST/ExprConstant.cpp2
-rw-r--r--test/SemaCXX/constant-expression-cxx1y.cpp6
2 files changed, 8 insertions, 0 deletions
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index 0c0c861e5d..a26b608082 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -9788,6 +9788,8 @@ public:
bool Success(const APValue &V, const Expr *e) { return true; }
+ bool ZeroInitialization(const Expr *E) { return true; }
+
bool VisitCastExpr(const CastExpr *E) {
switch (E->getCastKind()) {
default:
diff --git a/test/SemaCXX/constant-expression-cxx1y.cpp b/test/SemaCXX/constant-expression-cxx1y.cpp
index ac4e0fd471..0c0cb0ec58 100644
--- a/test/SemaCXX/constant-expression-cxx1y.cpp
+++ b/test/SemaCXX/constant-expression-cxx1y.cpp
@@ -982,3 +982,9 @@ constexpr void PR28739(int n) { // expected-error {{never produces a constant}}
int *p = &n;
p += (__int128)(unsigned long)-1; // expected-note {{cannot refer to element 18446744073709551615 of non-array object in a constant expression}}
}
+
+constexpr void Void(int n) {
+ void(n + 1);
+ void();
+}
+constexpr int void_test = (Void(0), 1);