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38a50c0a16
We referred to all declaration in definitions in our diagnostic messages which is can be inaccurate. Instead, classify the declaration and emit an appropriate diagnostic for the new declaration and an appropriate note pointing to the old one. This fixes PR24116. llvm-svn: 242190
39 lines
1.7 KiB
C
39 lines
1.7 KiB
C
// RUN: %clang_cc1 -DMRTD -mrtd -triple i386-unknown-unknown -verify %s
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// RUN: %clang_cc1 -triple i386-unknown-unknown -verify %s
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#ifndef MRTD
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// expected-note@+5 {{previous declaration is here}}
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// expected-error@+5 {{function declared 'stdcall' here was previously declared without calling convention}}
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// expected-note@+5 {{previous declaration is here}}
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// expected-error@+5 {{function declared 'stdcall' here was previously declared without calling convention}}
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#endif
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void nonvariadic1(int a, int b, int c);
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void __attribute__((stdcall)) nonvariadic1(int a, int b, int c);
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void nonvariadic2(int a, int b, int c);
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void __attribute__((stdcall)) nonvariadic2(int a, int b, int c) { }
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// expected-warning@+2 {{stdcall calling convention ignored on variadic function}}
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void variadic(int a, ...);
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void __attribute__((stdcall)) variadic(int a, ...);
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#ifdef MRTD
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// expected-note@+3 {{previous declaration is here}}
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// expected-error@+3 {{redeclaration of 'a' with a different type: 'void ((*))(int, int) __attribute__((cdecl))' vs 'void (*)(int, int) __attribute__((stdcall))'}}
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#endif
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extern void (*a)(int, int);
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__attribute__((cdecl)) extern void (*a)(int, int);
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extern void (*b)(int, ...);
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__attribute__((cdecl)) extern void (*b)(int, ...);
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#ifndef MRTD
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// expected-note@+3 {{previous declaration is here}}
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// expected-error@+3 {{redeclaration of 'c' with a different type: 'void ((*))(int, int) __attribute__((stdcall))' vs 'void (*)(int, int)'}}
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#endif
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extern void (*c)(int, int);
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__attribute__((stdcall)) extern void (*c)(int, int);
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// expected-warning@+2 {{stdcall calling convention ignored on variadic function}}
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extern void (*d)(int, ...);
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__attribute__((stdcall)) extern void (*d)(int, ...);
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