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Check for void type in top-level decls

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give an error message from the parser on things like "void x;" instead
of relying on codegen erroring out.
This commit is contained in:
Michael Matz 2018-08-03 22:39:00 +02:00
parent 22420ee1ee
commit 61ba9f2299
1 changed files with 4 additions and 0 deletions
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4
tccgen.c
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@ -3916,6 +3916,7 @@ do_decl:
get_tok_str(v, NULL));
}
if ((type1.t & VT_BTYPE) == VT_FUNC ||
(type1.t & VT_BTYPE) == VT_VOID ||
(type1.t & VT_STORAGE))
tcc_error("invalid type for '%s'",
get_tok_str(v, NULL));
@ -7362,6 +7363,9 @@ found:
}
sym->a = ad.a;
sym->f = ad.f;
} else if ((type.t & VT_BTYPE) == VT_VOID
&& !(type.t & VT_EXTERN)) {
tcc_error("declaration of void object");
} else {
r = 0;
if ((type.t & VT_BTYPE) == VT_FUNC) {