07f3388fff
This reverts commit a24523ac8dc07f3478311a5969184b922b520395. This is causing significant compile-time regressions for C++ code, see: https://github.com/llvm/llvm-project/pull/126088#issuecomment-2704874202
26 lines
1.3 KiB
C++
26 lines
1.3 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify=expected,precxx17,precxx20 %std_cxx98-14 %s
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// RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx17,precxx20 -std=c++17 %s
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// RUN: %clang_cc1 -fsyntax-only -verify=expected,cxx20 %std_cxx20- %s
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template<typename T, T Value> struct Constant;
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// FIXME: bad location precxx20-error@-1 {{a non-type template parameter cannot have type 'float'}}
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// expected-note@-2 {{template parameter is declared here}}
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// cxx20-note@-3 {{template parameter is declared here}}
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Constant<int, 5> *c1;
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int x;
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float f(int, double);
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Constant<int&, x> *c2;
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Constant<int*, &x> *c3;
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Constant<float (*)(int, double), f> *c4;
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Constant<float (*)(int, double), &f> *c5;
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Constant<float (*)(int, int), f> *c6; // precxx17-error {{non-type template argument of type 'float (int, double)' cannot be converted to a value of type 'float (*)(int, int)'}} \
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cxx17-error {{value of type 'float (int, double)' is not implicitly convertible to 'float (*)(int, int)'}} \
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cxx20-error {{value of type 'float (int, double)' is not implicitly convertible to 'float (*)(int, int)'}}
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Constant<float, 0> *c7; // precxx20-note {{while substituting}} \
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cxx20-error {{conversion from 'int' to 'float' is not allowed in a converted constant expression}}
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