Fix enum bitfields passed to stdarg functions

VT_ENUM types use the .ref member and can be VT_BITFIELD, so we need to copy it as well. Simply do it always.

Michael Matz committed 10 years ago

Commit 372f4b61 parent d7208652 files · +6 −0Browse files

Unified · Split

2 files

tccgen.c +1 −0
tests/tcctest.c +5 −0

@@ -4058,6 +4058,7 @@ static void gfunc_param_typed(Sym func, Sym arg) · 4057 unmodified lines
4058	4058	gen_cast(&type);
4059	4059	} else if (vtop->type.t & VT_BITFIELD) {
4060	4060	type.t = vtop->type.t & (VT_BTYPE \| VT_UNSIGNED);
	4061	+ type.ref = vtop->type.ref;
4061	4062	gen_cast(&type);
4062	4063	}
4063	4064	} else if (arg == NULL) {

tests/tcctest.c+5−0

@@ -602,11 +602,16 @@ enum test { · 601 unmodified lines
602	602	E5 = 1000,
603	603	};
604	604
	605	+struct S_enum {
	606	+ enum {E6 = 42, E7, E8} e:8;
	607	+};
605	608	void enum_test()
606	609	{
607	610	enum test b1;
608	611	/* The following should give no warning */
609	612	unsigned *p = &b1;
	613	+ struct S_enum s = {E7};
	614	+ printf("enum: %d\n", s.e);
610	615	printf("enum:\n%d %d %d %d %d %d\n",
611	616	E0, E1, E2, E3, E4, E5);
612	617	b1 = 1;