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allow redefinition of func_old_type functions

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void *memcpy(void*, const void*, unsigned);

This gave an error if memcpy() has been used before
implicitely,  e.g. for structure passing etc.
This commit is contained in:
grischka 2009-06-17 02:09:52 +02:00
parent c3701df16c
commit 6a004ed19f
1 changed files with 7 additions and 4 deletions

11
tccgen.c
View File

@ -115,10 +115,13 @@ static Sym *external_sym(int v, CType *type, int r)
/* push forward reference */
s = sym_push(v, type, r | VT_CONST | VT_SYM, 0);
s->type.t |= VT_EXTERN;
} else {
if (!is_compatible_types(&s->type, type))
error("incompatible types for redefinition of '%s'",
get_tok_str(v, NULL));
} else if (s->type.ref == func_old_type.ref) {
s->type.ref = type->ref;
s->r = r | VT_CONST | VT_SYM;
s->type.t |= VT_EXTERN;
} else if (!is_compatible_types(&s->type, type)) {
error("incompatible types for redefinition of '%s'",
get_tok_str(v, NULL));
}
return s;
}