diff options
| -rw-r--r-- | clang/test/SemaTemplate/constexpr-instantiate.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/constexpr-instantiate.cpp b/clang/test/SemaTemplate/constexpr-instantiate.cpp index b8cfbe1e0e2..dfb8a07d3b7 100644 --- a/clang/test/SemaTemplate/constexpr-instantiate.cpp +++ b/clang/test/SemaTemplate/constexpr-instantiate.cpp @@ -252,3 +252,10 @@ namespace NoInstantiationWhenSelectingOverload { void h() { (void)sizeof(char{f(0)}); } void i() { (void)sizeof(char{f("oops")}); } // expected-note {{instantiation of}} } + +namespace PR20090 { + template <typename T> constexpr T fact(T n) { + return n == 0 ? 1 : [=] { return n * fact(n - 1); }(); + } + static_assert(fact(0) == 1, ""); +} |
