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3f458cd9ab
Starting from C++26 the array comparison warning should converted to an error. Fixes: #117859
24 lines
1.3 KiB
C++
24 lines
1.3 KiB
C++
// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify %s -verify=expected,not-cxx20
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// RUN: %clang_cc1 -std=c++20 -fsyntax-only -Wno-deprecated-array-compare -verify %s -verify=expected,not-cxx20
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// RUN: %clang_cc1 -std=c++20 -fsyntax-only -Wdeprecated -verify %s -verify=expected,cxx20
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// RUN: %clang_cc1 -std=c++26 -fsyntax-only -Wdeprecated -verify %s -verify=expected,cxx26
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typedef struct {
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char str[16];
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int id[16];
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} Object;
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bool object_equal(const Object &obj1, const Object &obj2) {
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if (obj1.str != obj2.str) // not-cxx20-warning {{comparison between two arrays compare their addresses}} cxx20-warning {{comparison between two arrays is deprecated}}
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return false; // cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
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if (obj1.id != obj2.id) // not-cxx20-warning {{comparison between two arrays compare their addresses}} cxx20-warning {{comparison between two arrays is deprecated}}
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return false; // cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
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return true;
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}
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void foo(int (&array1)[2], int (&array2)[2]) {
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if (array1 == array2) { } // not-cxx20-warning {{comparison between two arrays compare their addresses}} cxx20-warning {{comparison between two arrays is deprecated}}
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// cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
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}
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