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Microsoft allows the 'inline' specifier on a typedef of a function type in C modes. This is used by a system header (ufxclient.h), so instead of giving a hard error, we diagnose with a warning. C++ mode and non- Microsoft compatibility modes are not impacted. Fixes https://github.com/llvm/llvm-project/issues/124869
50 lines
2.5 KiB
C
50 lines
2.5 KiB
C
// RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify=expected,compat -fms-compatibility -DMSVCCOMPAT -triple i686-pc-win32
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// RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wmicrosoft -verify=expected,ext -fms-extensions -triple i686-pc-win32
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#ifdef MSVCCOMPAT
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enum ENUM1; // expected-warning {{forward references to 'enum' types are a Microsoft extension}}
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enum ENUM1 var1 = 3;
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enum ENUM1* var2 = 0;
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#else
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enum ENUM1; // expected-note {{forward declaration of}}
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enum ENUM1 var1 = 3; // expected-error {{variable has incomplete type 'enum ENUM1'}}
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enum ENUM1* var2 = 0;
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#endif
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// FIXME: The rest of this seems to be controlled by -fms-extensions. Move it.
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enum ENUM2 {
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ENUM2_a = (enum ENUM2) 4,
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ENUM2_b = 0x9FFFFFFF, // expected-warning {{enumerator value is not representable in the underlying type 'int'}}
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ENUM2_c = 0x100000000 // expected-warning {{enumerator value is not representable in the underlying type 'int'}}
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};
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__declspec(noreturn) void f6( void ) {
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return; // expected-warning {{function 'f6' declared 'noreturn' should not return}}
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}
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__declspec(align(32768)) struct S1 { int a; } s; /* expected-error {{requested alignment must be 8192 bytes or smaller}} */
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struct __declspec(aligned) S2 {}; /* expected-warning {{__declspec attribute 'aligned' is not supported}} */
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struct __declspec(appdomain) S3 {}; /* expected-warning {{__declspec attribute 'appdomain' is not supported}} */
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__declspec(__noreturn__) void f7(void); /* expected-warning {{__declspec attribute '__noreturn__' is not supported}} */
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#ifdef MSVCCOMPAT
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size_t x;
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#else
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size_t x; // expected-error {{unknown type name 'size_t'}}
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#endif
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/* Microsoft allows inline, __inline, and __forceinline to appear on a typedef
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of a function type; this is used in their system headers such as ufxclient.h
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See GitHub #124869 for more details.
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*/
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typedef int inline Foo1(int); // compat-warning {{'inline' can only appear on functions}} \
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ext-error {{'inline' can only appear on functions}}
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typedef int __inline Foo2(int); // compat-warning {{'inline' can only appear on functions}} \
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ext-error {{'inline' can only appear on functions}}
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typedef int __forceinline Foo(int); // compat-warning {{'inline' can only appear on functions}} \
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ext-error {{'inline' can only appear on functions}} \
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expected-warning {{'__forceinline' attribute only applies to functions and statements}}
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