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weak definitions overrule non-weak prototypes

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This commit is contained in:
Joe Soroka
2011-02-01 09:41:03 -08:00
parent c59d3426b8
commit cf08675702
3 changed files with 27 additions and 2 deletions
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6
tests/tcctest.c
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@ -2231,19 +2231,25 @@ void builtin_test(void)
}
extern int __attribute__((weak)) weak_f1(void);
extern int __attribute__((weak)) weak_f2(void);
extern int weak_f3(void);
extern int __attribute__((weak)) weak_v1;
extern int __attribute__((weak)) weak_v2;
extern int weak_v3;
void __attribute__((weak)) weak_test(void)
{
printf("weak_f1=%d\n", weak_f1 ? weak_f1() : 123);
printf("weak_f2=%d\n", weak_f2 ? weak_f2() : 123);
printf("weak_f3=%d\n", weak_f3 ? weak_f3() : 123);
printf("weak_v1=%d\n",&weak_v1 ? weak_v1 : 123);
printf("weak_v2=%d\n",&weak_v2 ? weak_v2 : 123);
printf("weak_v3=%d\n",&weak_v3 ? weak_v3 : 123);
}
int __attribute__((weak)) weak_f2() { return 222; }
int __attribute__((weak)) weak_f3() { return 333; }
int __attribute__((weak)) weak_v2 = 222;
int __attribute__((weak)) weak_v3 = 333;