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| author | Saar Raz <saar@raz.email> | 2020-01-09 15:07:51 +0200 |
|---|---|---|
| committer | Saar Raz <saar@raz.email> | 2020-01-09 15:07:51 +0200 |
| commit | b65b1f322bd88513586a4539d2b5f18aeb698f3f (patch) | |
| tree | a5d8eb911df5b6d857675415efc125270826a740 /clang/test/CXX/temp/temp.explicit/p8.cpp | |
| parent | 9c91d79dadc660cb6a0ec736389341debd8cd118 (diff) | |
| download | bcm5719-llvm-b65b1f322bd88513586a4539d2b5f18aeb698f3f.tar.gz bcm5719-llvm-b65b1f322bd88513586a4539d2b5f18aeb698f3f.zip | |
[Concepts] Function trailing requires clauses
Function trailing requires clauses now parsed, supported in overload resolution and when calling, referencing and taking the address of functions or function templates.
Differential Revision: https://reviews.llvm.org/D43357
Diffstat (limited to 'clang/test/CXX/temp/temp.explicit/p8.cpp')
| -rw-r--r-- | clang/test/CXX/temp/temp.explicit/p8.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/clang/test/CXX/temp/temp.explicit/p8.cpp b/clang/test/CXX/temp/temp.explicit/p8.cpp new file mode 100644 index 00000000000..72d22557899 --- /dev/null +++ b/clang/test/CXX/temp/temp.explicit/p8.cpp @@ -0,0 +1,22 @@ +// RUN: %clang_cc1 -std=c++2a -fconcepts-ts -x c++ -verify %s + +template<typename T, typename S = char> requires (sizeof(T) + sizeof(S) < 10) +// expected-note@-1{{because 'sizeof(char [100]) + sizeof(char) < 10' (101 < 10) evaluated to false}} +void f(T t, S s) requires (sizeof(t) == 1 && sizeof(s) == 1) { }; +// expected-note@-1{{candidate template ignored: constraints not satisfied [with T = int, S = char]}} +// expected-note@-2{{because 'sizeof (t) == 1' (4 == 1) evaluated to false}} +// expected-note@-3{{candidate template ignored: constraints not satisfied [with T = char, S = short]}} +// expected-note@-4{{because 'sizeof (s) == 1' (2 == 1) evaluated to false}} +// expected-note@-5{{candidate template ignored: constraints not satisfied [with T = char [100], S = char]}} + +template<> +void f<int>(int t, char s) { }; +// expected-error@-1{{no function template matches function template specialization 'f'}} + +template<> +void f<char, short>(char t, short s) { }; +// expected-error@-1{{no function template matches function template specialization 'f'}} + +template<> +void f<char[100]>(char t[100], char s) { }; +// expected-error@-1{{no function template matches function template specialization 'f'}}
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