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Make mingw work again

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my last inline changes caused parameter names to be overwritten
always (as VT_EXTERN now doesn't mark the current def anymore),
leading to a compile error when including windows.h.  Rework this.

Also silence a warning that currently happens for mingw, which is
written with gnu-inline behaviour in mind.  Our work-arounds
of using "static inline" actually create invalid C (which we warn
about).  Until we implement this properly, just silence the warning.
This commit is contained in:
Michael Matz 2019-06-17 18:28:56 +02:00
parent cb8bbf1ab9
commit 69a46b0c53
1 changed files with 10 additions and 3 deletions
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13
tccgen.c
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@ -947,7 +947,11 @@ static void patch_type(Sym *sym, CType *type)
} else if ((sym->type.t & VT_BTYPE) == VT_FUNC) {
int static_proto = sym->type.t & VT_STATIC;
/* warn if static follows non-static function declaration */
if ((type->t & VT_STATIC) && !static_proto)
if ((type->t & VT_STATIC) && !static_proto
/* XXX this test for inline shouldn't be here. Until we
implement gnu-inline mode again it silences a warning for
mingw caused by our workarounds. */
&& !((type->t | sym->type.t) & VT_INLINE))
tcc_warning("static storage ignored for redefinition of '%s'",
get_tok_str(sym->v, NULL));
@ -959,9 +963,9 @@ static void patch_type(Sym *sym, CType *type)
sym->type.t &= ~VT_INLINE;
}
if (0 == (type->t & VT_EXTERN)) {
/* put complete type, use static from prototype */
/* put complete type, use static from prototype, but don't
overwrite type.ref, it might contain parameter names */
sym->type.t = (type->t & ~VT_STATIC) | static_proto;
sym->type.ref = type->ref;
}
} else {
if ((sym->type.t & VT_ARRAY) && type->ref->c >= 0) {
@ -7578,6 +7582,9 @@ static int decl0(int l, int is_for_loop_init, Sym *func_sym)
/* put function symbol */
sym = external_sym(v, &type, 0, &ad);
/* This is the def, so overwrite any other parameter names
we got from prototypes. */
sym->type.ref = type.ref;
if (sym->c && elfsym(sym)->st_shndx != SHN_UNDEF
&& !(elfsym(sym)->st_other & ST_ASM_SET))
tcc_error("redefinition of '%s'", get_tok_str(sym->v, NULL));