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This warning exist in GCC[0] and warns about re-declarations of functions involving arguments of array or pointer types of inconsistent kinds or forms. This is not the exact same implementation as GCC's : there's no warning level and that flag has no effect on -Warray-bounds. [0] https://gcc.gnu.org/onlinedocs/gcc-12.1.0/gcc/Warning-Options.html#index-Wno-array-parameter Differential Revision: https://reviews.llvm.org/D128449
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -Warray-parameter -verify %s
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void f0(int a[]);
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void f0(int *a); // no warning
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void f1(int a[]); // expected-note {{previously declared as 'int[]' here}}
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void f1(int a[2]); // expected-warning {{argument 'a' of type 'int[2]' with mismatched bound}}
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void f2(int a[3]); // expected-note {{previously declared as 'int[3]' here}}
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void f2(int a[2]); // expected-warning {{argument 'a' of type 'int[2]' with mismatched bound}}
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void f3(int a[const 2]);
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void f3(int a[2]); // no warning
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void f4(int a[static 2]);
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void f4(int a[2]); // no warning
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void f5(int a[restrict 2]);
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void f5(int a[2]); // no warning
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void f6(int a[volatile 2]);
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void f6(int a[2]); // no warning
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void f7(int a[*]);
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void f7(int a[]); // no warning
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void f8(int n, int a[*]); // expected-note {{previously declared as 'int[*]' here}}
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void f8(int n, int a[n]); // expected-warning {{argument 'a' of type 'int[n]' with mismatched bound}}
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void f9(int *a);
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void f9(int a[2]);
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void f9(int a[]); // expected-warning {{argument 'a' of type 'int[]' with mismatched bound}}
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// expected-note@-2 {{previously declared as 'int[2]' here}}
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void f9(int a[2]) // expected-warning {{argument 'a' of type 'int[2]' with mismatched bound}}
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// expected-note@-3 {{previously declared as 'int[]' here}}
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{}
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