1const fns = [_](fn (i32) i32){ a, b, c };
 2pub fn a(x: i32) i32 {
 3    return x + 0;
 4}
 5pub fn b(x: i32) i32 {
 6    return x + 1;
 7}
 8export fn c(x: i32) i32 {
 9    return x + 2;
10}
11
12export fn entry() usize {
13    return @sizeOf(@TypeOf(fns));
14}
15
16// error
17// target=x86_64-linux
18//
19// :1:38: error: expected type 'fn (i32) i32', found 'fn (i32) callconv(.c) i32'
20// :1:38: note: calling convention 'x86_64_sysv' cannot cast into calling convention 'auto'