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Diffstat (limited to 'clang/test/Sema/inline-redef.c')
| -rw-r--r-- | clang/test/Sema/inline-redef.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/clang/test/Sema/inline-redef.c b/clang/test/Sema/inline-redef.c new file mode 100644 index 0000000..4a46e11 --- /dev/null +++ b/clang/test/Sema/inline-redef.c @@ -0,0 +1,24 @@ +// RUN: %clang_cc1 -std=gnu89 -fsyntax-only -verify %s +// RUN: %clang_cc1 -fsyntax-only -verify %s + +#if __STDC_VERSION__ >= 199901 +#define GNU_INLINE __attribute((__gnu_inline__)) +#else +#define GNU_INLINE +#endif + +// PR5253 +// rdar://9559708 (same extension in C99 mode) +// GNU Extension: check that we can redefine an extern inline function +GNU_INLINE extern inline int f(int a) {return a;} +int f(int b) {return b;} // expected-note{{previous definition is here}} +// And now check that we can't redefine a normal function +int f(int c) {return c;} // expected-error{{redefinition of 'f'}} + +// Check that we can redefine an extern inline function as a static function +GNU_INLINE extern inline int g(int a) {return a;} +static int g(int b) {return b;} + +// Check that we ensure the types of the two definitions are the same +GNU_INLINE extern inline int h(int a) {return a;} // expected-note{{previous definition is here}} +int h(short b) {return b;} // expected-error{{conflicting types for 'h'}} |