Rollup merge of #124048 - veera-sivarajan:bugfix-123773-c23-variadics…

Rollup merge of #124048 - veera-sivarajan:bugfix-123773-c23-variadics… · rust-lang/rust@866630d

@@ -8,14 +8,12 @@ fn f1_1(x: isize, ...) {}

8899fn f1_2(...) {}1010//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic11-//~| ERROR C-variadic function must be declared with at least one named argument12111312extern "C" fn f2_1(x: isize, ...) {}1413//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic15141615extern "C" fn f2_2(...) {}1716//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic18-//~| ERROR C-variadic function must be declared with at least one named argument19172018extern "C" fn f2_3(..., x: isize) {}2119//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic

@@ -26,7 +24,6 @@ extern "C" fn f3_1(x: isize, ...) {}

26242725extern "C" fn f3_2(...) {}2826//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic29-//~| ERROR C-variadic function must be declared with at least one named argument30273128extern "C" fn f3_3(..., x: isize) {}3229//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic

@@ -47,8 +44,6 @@ const extern "C" fn f4_3(..., x: isize, ...) {}

4744//~| ERROR `...` must be the last argument of a C-variadic function48454946extern "C" {50-fn e_f1(...);51-//~^ ERROR C-variadic function must be declared with at least one named argument5247fn e_f2(..., x: isize);5348//~^ ERROR `...` must be the last argument of a C-variadic function5449}

@@ -60,7 +55,6 @@ impl X {

6055//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic6156fn i_f2(...) {}6257//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic63-//~| ERROR C-variadic function must be declared with at least one named argument6458fn i_f3(..., x: isize, ...) {}6559//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic6660//~| ERROR `...` must be the last argument of a C-variadic function

@@ -80,10 +74,8 @@ trait T {

8074//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic8175fn t_f3(...) {}8276//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic83-//~| ERROR C-variadic function must be declared with at least one named argument8477fn t_f4(...);8578//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic86-//~| ERROR C-variadic function must be declared with at least one named argument8779fn t_f5(..., x: isize) {}8880//~^ ERROR only foreign or `unsafe extern "C"` functions may be C-variadic8981//~| ERROR `...` must be the last argument of a C-variadic function