diff options
Diffstat (limited to 'test/PCH/cxx2a-template-lambdas.cpp')
-rw-r--r-- | test/PCH/cxx2a-template-lambdas.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/PCH/cxx2a-template-lambdas.cpp b/test/PCH/cxx2a-template-lambdas.cpp new file mode 100644 index 0000000000..c9d923f98c --- /dev/null +++ b/test/PCH/cxx2a-template-lambdas.cpp @@ -0,0 +1,42 @@ +// RUN: %clang_cc1 -std=c++2a -emit-pch %s -o %t +// RUN: %clang_cc1 -std=c++2a -include-pch %t -verify %s + +// expected-no-diagnostics + +#ifndef HEADER +#define HEADER + +auto l1 = []<int I>() constexpr -> int { + return I; +}; + +auto l2 = []<auto I>() constexpr -> decltype(I) { + return I; +}; + +auto l3 = []<class T>(auto i) constexpr -> T { + return T(i); +}; + +auto l4 = []<template<class> class T, class U>(T<U>, auto i) constexpr -> U { + return U(i); +}; + +#else /*included pch*/ + +static_assert(l1.operator()<5>() == 5); +static_assert(l1.operator()<6>() == 6); + +static_assert(l2.operator()<7>() == 7); +static_assert(l2.operator()<nullptr>() == nullptr); + +static_assert(l3.operator()<int>(8.4) == 8); +static_assert(l3.operator()<int>(9.9) == 9); + +template<typename T> +struct DummyTemplate { }; + +static_assert(l4(DummyTemplate<float>(), 12) == 12.0); +static_assert(l4(DummyTemplate<int>(), 19.8) == 19); + +#endif // HEADER |