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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2019-06-25 18:42:53 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2019-06-25 18:42:53 +0000 |
| commit | 87419c82727ac16a636d56842649852874c742f0 (patch) | |
| tree | 9d254b9b69061601baa7bfe2129f7a474acd0c33 /test/SemaTemplate | |
| parent | 23849425dc9b0a8d030a84242699d8addbeaad6d (diff) | |
| download | clang-87419c82727ac16a636d56842649852874c742f0.tar.gz | |
Add regression test for PR41576 (which is already fixed in trunk,
perhaps by r361300).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@364340 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/SemaTemplate')
| -rw-r--r-- | test/SemaTemplate/lambda-capture-pack.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/test/SemaTemplate/lambda-capture-pack.cpp b/test/SemaTemplate/lambda-capture-pack.cpp index 2fe576769d..8b8a55ccd7 100644 --- a/test/SemaTemplate/lambda-capture-pack.cpp +++ b/test/SemaTemplate/lambda-capture-pack.cpp @@ -1,5 +1,4 @@ // RUN: %clang_cc1 -std=c++2a -verify %s -// expected-no-diagnostics template<typename ...T, typename ...Lambda> void check_sizes(Lambda ...L) { static_assert(((sizeof(T) == sizeof(Lambda)) && ...)); @@ -15,3 +14,12 @@ template<typename ...T> void f(T ...v) { } template void f(int, char, double); + +namespace PR41576 { + template <class... Xs> constexpr int f(Xs ...xs) { + return [&](auto ...ys) { // expected-note {{instantiation}} + return ((xs + ys), ...); // expected-warning {{unused}} + }(1, 2); + } + static_assert(f(3, 4) == 6); // expected-note {{instantiation}} +} |