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3f458cd9ab
Starting from C++26 the array comparison warning should converted to an error. Fixes: #117859
31 lines
1.9 KiB
C
31 lines
1.9 KiB
C
// RUN: %clang_cc1 -x c -fsyntax-only -verify %s
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// RUN: %clang_cc1 -x c++ -fsyntax-only -verify=expected,cxx %s
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// RUN: %clang_cc1 -x c++ -std=c++26 -fsyntax-only -verify=expected,cxx26 %s
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#define DELIM "/"
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#define DOT "."
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#define NULL (void *)0
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void test(const char *d) {
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if ("/" != d) // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
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return;
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if (d == "/") // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
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return;
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if ("/" != NULL)
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return;
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if (NULL == "/")
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return;
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if ("/" != DELIM) // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
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return; // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
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if (DELIM == "/") // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
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return; // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
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if (DELIM != NULL)
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return;
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if (NULL == DELIM)
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return;
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if (DOT != DELIM) // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
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return; // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
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if (DELIM == DOT) // expected-warning {{result of comparison against a string literal is unspecified (use an explicit string comparison function instead)}}
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return; // cxx-warning@-1 {{comparison between two arrays}} cxx26-error@-1 {{comparison between two arrays is ill-formed in C++26}}
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}
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