1 files changed, 101 insertions, 0 deletions
diff --git a/tests/ui/lang-items/start_lang_item_args.rs b/tests/ui/lang-items/start_lang_item_args.rs
new file mode 100644
index 000000000..0dbfba39c
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.rs
@@ -0,0 +1,101 @@
+// check-fail
+// revisions: missing_all_args missing_sigpipe_arg missing_ret start_ret too_many_args
+// revisions: main_ty main_args main_ret argc argv_inner_ptr argv sigpipe
+
+#![feature(lang_items, no_core)]
+#![no_core]
+
+#[lang = "copy"]
+pub trait Copy {}
+#[lang = "sized"]
+pub trait Sized {}
+
+#[cfg(missing_all_args)]
+#[lang = "start"]
+fn start<T>() -> isize {
+    //[missing_all_args]~^ ERROR incorrect number of parameters
+    100
+}
+
+#[cfg(missing_sigpipe_arg)]
+#[lang = "start"]
+fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8) -> isize {
+    //[missing_sigpipe_arg]~^ ERROR incorrect number of parameters
+    100
+}
+
+#[cfg(missing_ret)]
+#[lang = "start"]
+fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) {}
+//[missing_ret]~^ ERROR the return type of the `start` lang item is incorrect
+
+#[cfg(start_ret)]
+#[lang = "start"]
+fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> u8 {
+    //[start_ret]~^ ERROR the return type of the `start` lang item is incorrect
+    100
+}
+
+#[cfg(too_many_args)]
+#[lang = "start"]
+fn start<T>(
+    //[too_many_args]~^ ERROR incorrect number of parameters
+    _main: fn() -> T,
+    _argc: isize,
+    _argv: *const *const u8,
+    _sigpipe: u8,
+    _extra_arg: (),
+) -> isize {
+    100
+}
+
+#[cfg(main_ty)]
+#[lang = "start"]
+fn start<T>(_main: u64, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+    //[main_ty]~^ ERROR parameter 1 of the `start` lang item is incorrect
+    100
+}
+
+#[cfg(main_args)]
+#[lang = "start"]
+fn start<T>(_main: fn(i32) -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+    //[main_args]~^ ERROR parameter 1 of the `start` lang item is incorrect
+    100
+}
+
+#[cfg(main_ret)]
+#[lang = "start"]
+fn start<T>(_main: fn() -> u16, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+    //[main_ret]~^ ERROR parameter 1 of the `start` lang item is incorrect
+    100
+}
+
+#[cfg(argc)]
+#[lang = "start"]
+fn start<T>(_main: fn() -> T, _argc: i8, _argv: *const *const u8, _sigpipe: u8) -> isize {
+    //[argc]~^ ERROR parameter 2 of the `start` lang item is incorrect
+    100
+}
+
+#[cfg(argv_inner_ptr)]
+#[lang = "start"]
+fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const usize, _sigpipe: u8) -> isize {
+    //[argv_inner_ptr]~^ ERROR parameter 3 of the `start` lang item is incorrect
+    100
+}
+
+#[cfg(argv)]
+#[lang = "start"]
+fn start<T>(_main: fn() -> T, _argc: isize, _argv: u8, _sigpipe: u8) -> isize {
+    //[argv]~^ ERROR parameter 3 of the `start` lang item is incorrect
+    100
+}
+
+#[cfg(sigpipe)]
+#[lang = "start"]
+fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: i64) -> isize {
+    //[sigpipe]~^ ERROR parameter 4 of the `start` lang item is incorrect
+    100
+}
+
+fn main() {}