67c608a969
Now with concepts support merged and mostly complete, we do not need -fconcepts-ts (which was also misleading as we were not implementing the TS) and can enable concepts features under C++2a. A warning will be generated if users still attempt to use -fconcepts-ts.
18 lines
980 B
C++
18 lines
980 B
C++
// RUN: %clang_cc1 -std=c++2a -verify %s
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template<typename T> requires (sizeof(T) >= 4 && sizeof(T) <= 10)
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// expected-note@-1{{because 'sizeof(char [20]) <= 10' (20 <= 10) evaluated to false}}
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// expected-note@-2{{because 'sizeof(char) >= 4' (1 >= 4) evaluated to false}}
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void foo() requires (sizeof(T) <= 8) {}
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// expected-note@-1{{candidate template ignored: constraints not satisfied [with T = char]}}
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// expected-note@-2{{candidate template ignored: constraints not satisfied [with T = char [9]]}}
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// expected-note@-3{{candidate template ignored: constraints not satisfied [with T = char [20]]}}
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// expected-note@-4{{because 'sizeof(char [9]) <= 8' (9 <= 8) evaluated to false}}
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void bar() {
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foo<char>(); // expected-error{{no matching function for call to 'foo'}}
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foo<int>();
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foo<unsigned long long int>();
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foo<char[9]>(); // expected-error{{no matching function for call to 'foo'}}
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foo<char[20]>(); // expected-error{{no matching function for call to 'foo'}}
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} |