25 lines
992 B
C
25 lines
992 B
C
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// RUN: %clang_cc1 -std=gnu89 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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#if __STDC_VERSION__ >= 199901
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#define GNU_INLINE __attribute((__gnu_inline__))
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#else
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#define GNU_INLINE
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#endif
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// PR5253
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// rdar://9559708 (same extension in C99 mode)
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// GNU Extension: check that we can redefine an extern inline function
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GNU_INLINE extern inline int f(int a) {return a;}
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int f(int b) {return b;} // expected-note{{previous definition is here}}
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// And now check that we can't redefine a normal function
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int f(int c) {return c;} // expected-error{{redefinition of 'f'}}
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// Check that we can redefine an extern inline function as a static function
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GNU_INLINE extern inline int g(int a) {return a;}
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static int g(int b) {return b;}
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// Check that we ensure the types of the two definitions are the same
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GNU_INLINE extern inline int h(int a) {return a;} // expected-note{{previous definition is here}}
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int h(short b) {return b;} // expected-error{{conflicting types for 'h'}}
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