a void to void cast. Allow tcc to compile the following program /////// void func1() {} void func2() { return func1(); } ////// gcc accepts this program

seyko committed 11 years ago

Commit 6fd4e5b1 parent 09feeca1 file · +14 −2Browse files

Unified · Split

@@ -2412,8 +2412,20 @@ static void gen_assign_cast(CType *dt) · 2411 unmodified lines
2412	2412	st = &vtop->type; /* source type */
2413	2413	dbt = dt->t & VT_BTYPE;
2414	2414	sbt = st->t & VT_BTYPE;
2415		− if (sbt == VT_VOID \|\| dbt == VT_VOID)
2416		− tcc_error("cannot cast from/to void");
	2415	+ if (sbt == VT_VOID \|\| dbt == VT_VOID) {
	2416	+ if (sbt == VT_VOID && dbt == VT_VOID)
	2417	+ ; /*
	2418	+ It is Ok if both are void
	2419	+ A test program:
	2420	+ void func1() {}
	2421	+ void func2() {
	2422	+ return func1();
	2423	+ }
	2424	+ gcc accepts this program
	2425	+ */
	2426	+ else
	2427	+ tcc_error("cannot cast from/to void");
	2428	+ }
2417	2429	if (dt->t & VT_CONSTANT)
2418	2430	tcc_warning("assignment of read-only location");
2419	2431	switch(dbt) {

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