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-rw-r--r--tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs (renamed from src/test/ui/lang-items/fn-fn_mut-call-ill-formed.rs)0
-rw-r--r--tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr (renamed from src/test/ui/lang-items/fn-fn_mut-call-ill-formed.stderr)0
-rw-r--r--tests/ui/lang-items/issue-19660.rs (renamed from src/test/ui/lang-items/issue-19660.rs)0
-rw-r--r--tests/ui/lang-items/issue-19660.stderr (renamed from src/test/ui/lang-items/issue-19660.stderr)0
-rw-r--r--tests/ui/lang-items/issue-31076.rs (renamed from src/test/ui/lang-items/issue-31076.rs)0
-rw-r--r--tests/ui/lang-items/issue-31076.stderr (renamed from src/test/ui/lang-items/issue-31076.stderr)0
-rw-r--r--tests/ui/lang-items/issue-83471.rs (renamed from src/test/ui/lang-items/issue-83471.rs)0
-rw-r--r--tests/ui/lang-items/issue-83471.stderr (renamed from src/test/ui/lang-items/issue-83471.stderr)0
-rw-r--r--tests/ui/lang-items/issue-86238.rs (renamed from src/test/ui/lang-items/issue-86238.rs)0
-rw-r--r--tests/ui/lang-items/issue-86238.stderr (renamed from src/test/ui/lang-items/issue-86238.stderr)0
-rw-r--r--tests/ui/lang-items/issue-87573.rs (renamed from src/test/ui/lang-items/issue-87573.rs)0
-rw-r--r--tests/ui/lang-items/issue-87573.stderr (renamed from src/test/ui/lang-items/issue-87573.stderr)0
-rw-r--r--tests/ui/lang-items/lang-item-generic-requirements.rs (renamed from src/test/ui/lang-items/lang-item-generic-requirements.rs)0
-rw-r--r--tests/ui/lang-items/lang-item-generic-requirements.stderr (renamed from src/test/ui/lang-items/lang-item-generic-requirements.stderr)0
-rw-r--r--tests/ui/lang-items/lang-item-missing-generator.rs (renamed from src/test/ui/lang-items/lang-item-missing-generator.rs)0
-rw-r--r--tests/ui/lang-items/lang-item-missing-generator.stderr (renamed from src/test/ui/lang-items/lang-item-missing-generator.stderr)0
-rw-r--r--tests/ui/lang-items/lang-item-missing.rs (renamed from src/test/ui/lang-items/lang-item-missing.rs)0
-rw-r--r--tests/ui/lang-items/lang-item-missing.stderr (renamed from src/test/ui/lang-items/lang-item-missing.stderr)0
-rw-r--r--tests/ui/lang-items/missing-clone-for-suggestion.rs (renamed from src/test/ui/lang-items/missing-clone-for-suggestion.rs)0
-rw-r--r--tests/ui/lang-items/missing-clone-for-suggestion.stderr (renamed from src/test/ui/lang-items/missing-clone-for-suggestion.stderr)0
-rw-r--r--tests/ui/lang-items/no_owned_box_lang_item.rs (renamed from src/test/ui/lang-items/no_owned_box_lang_item.rs)0
-rw-r--r--tests/ui/lang-items/no_owned_box_lang_item.stderr (renamed from src/test/ui/lang-items/no_owned_box_lang_item.stderr)0
-rw-r--r--tests/ui/lang-items/required-lang-item.rs (renamed from src/test/ui/lang-items/required-lang-item.rs)0
-rw-r--r--tests/ui/lang-items/required-lang-item.stderr (renamed from src/test/ui/lang-items/required-lang-item.stderr)0
-rw-r--r--tests/ui/lang-items/start_lang_item_args.argc.stderr8
-rw-r--r--tests/ui/lang-items/start_lang_item_args.argv.stderr8
-rw-r--r--tests/ui/lang-items/start_lang_item_args.argv_inner_ptr.stderr13
-rw-r--r--tests/ui/lang-items/start_lang_item_args.main_args.stderr13
-rw-r--r--tests/ui/lang-items/start_lang_item_args.main_ret.stderr13
-rw-r--r--tests/ui/lang-items/start_lang_item_args.main_ty.stderr8
-rw-r--r--tests/ui/lang-items/start_lang_item_args.missing_all_args.stderr11
-rw-r--r--tests/ui/lang-items/start_lang_item_args.missing_ret.stderr8
-rw-r--r--tests/ui/lang-items/start_lang_item_args.missing_sigpipe_arg.stderr11
-rw-r--r--tests/ui/lang-items/start_lang_item_args.rs101
-rw-r--r--tests/ui/lang-items/start_lang_item_args.sigpipe.stderr8
-rw-r--r--tests/ui/lang-items/start_lang_item_args.start_ret.stderr8
-rw-r--r--tests/ui/lang-items/start_lang_item_args.too_many_args.stderr17
37 files changed, 227 insertions, 0 deletions
diff --git a/src/test/ui/lang-items/fn-fn_mut-call-ill-formed.rs b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs
index 52bd8136d..52bd8136d 100644
--- a/src/test/ui/lang-items/fn-fn_mut-call-ill-formed.rs
+++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs
diff --git a/src/test/ui/lang-items/fn-fn_mut-call-ill-formed.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr
index 82bdae270..82bdae270 100644
--- a/src/test/ui/lang-items/fn-fn_mut-call-ill-formed.stderr
+++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr
diff --git a/src/test/ui/lang-items/issue-19660.rs b/tests/ui/lang-items/issue-19660.rs
index 400ac310b..400ac310b 100644
--- a/src/test/ui/lang-items/issue-19660.rs
+++ b/tests/ui/lang-items/issue-19660.rs
diff --git a/src/test/ui/lang-items/issue-19660.stderr b/tests/ui/lang-items/issue-19660.stderr
index f5d903f38..f5d903f38 100644
--- a/src/test/ui/lang-items/issue-19660.stderr
+++ b/tests/ui/lang-items/issue-19660.stderr
diff --git a/src/test/ui/lang-items/issue-31076.rs b/tests/ui/lang-items/issue-31076.rs
index cdb196d4f..cdb196d4f 100644
--- a/src/test/ui/lang-items/issue-31076.rs
+++ b/tests/ui/lang-items/issue-31076.rs
diff --git a/src/test/ui/lang-items/issue-31076.stderr b/tests/ui/lang-items/issue-31076.stderr
index ac0d9dc75..ac0d9dc75 100644
--- a/src/test/ui/lang-items/issue-31076.stderr
+++ b/tests/ui/lang-items/issue-31076.stderr
diff --git a/src/test/ui/lang-items/issue-83471.rs b/tests/ui/lang-items/issue-83471.rs
index b32aa0341..b32aa0341 100644
--- a/src/test/ui/lang-items/issue-83471.rs
+++ b/tests/ui/lang-items/issue-83471.rs
diff --git a/src/test/ui/lang-items/issue-83471.stderr b/tests/ui/lang-items/issue-83471.stderr
index b315df179..b315df179 100644
--- a/src/test/ui/lang-items/issue-83471.stderr
+++ b/tests/ui/lang-items/issue-83471.stderr
diff --git a/src/test/ui/lang-items/issue-86238.rs b/tests/ui/lang-items/issue-86238.rs
index 509f94f38..509f94f38 100644
--- a/src/test/ui/lang-items/issue-86238.rs
+++ b/tests/ui/lang-items/issue-86238.rs
diff --git a/src/test/ui/lang-items/issue-86238.stderr b/tests/ui/lang-items/issue-86238.stderr
index 767e6de22..767e6de22 100644
--- a/src/test/ui/lang-items/issue-86238.stderr
+++ b/tests/ui/lang-items/issue-86238.stderr
diff --git a/src/test/ui/lang-items/issue-87573.rs b/tests/ui/lang-items/issue-87573.rs
index aeb0c245a..aeb0c245a 100644
--- a/src/test/ui/lang-items/issue-87573.rs
+++ b/tests/ui/lang-items/issue-87573.rs
diff --git a/src/test/ui/lang-items/issue-87573.stderr b/tests/ui/lang-items/issue-87573.stderr
index 25560cfa0..25560cfa0 100644
--- a/src/test/ui/lang-items/issue-87573.stderr
+++ b/tests/ui/lang-items/issue-87573.stderr
diff --git a/src/test/ui/lang-items/lang-item-generic-requirements.rs b/tests/ui/lang-items/lang-item-generic-requirements.rs
index 3d33adf68..3d33adf68 100644
--- a/src/test/ui/lang-items/lang-item-generic-requirements.rs
+++ b/tests/ui/lang-items/lang-item-generic-requirements.rs
diff --git a/src/test/ui/lang-items/lang-item-generic-requirements.stderr b/tests/ui/lang-items/lang-item-generic-requirements.stderr
index 4d349a25f..4d349a25f 100644
--- a/src/test/ui/lang-items/lang-item-generic-requirements.stderr
+++ b/tests/ui/lang-items/lang-item-generic-requirements.stderr
diff --git a/src/test/ui/lang-items/lang-item-missing-generator.rs b/tests/ui/lang-items/lang-item-missing-generator.rs
index 9b9aff38e..9b9aff38e 100644
--- a/src/test/ui/lang-items/lang-item-missing-generator.rs
+++ b/tests/ui/lang-items/lang-item-missing-generator.rs
diff --git a/src/test/ui/lang-items/lang-item-missing-generator.stderr b/tests/ui/lang-items/lang-item-missing-generator.stderr
index a24fdb5fb..a24fdb5fb 100644
--- a/src/test/ui/lang-items/lang-item-missing-generator.stderr
+++ b/tests/ui/lang-items/lang-item-missing-generator.stderr
diff --git a/src/test/ui/lang-items/lang-item-missing.rs b/tests/ui/lang-items/lang-item-missing.rs
index 4e2634324..4e2634324 100644
--- a/src/test/ui/lang-items/lang-item-missing.rs
+++ b/tests/ui/lang-items/lang-item-missing.rs
diff --git a/src/test/ui/lang-items/lang-item-missing.stderr b/tests/ui/lang-items/lang-item-missing.stderr
index f7516c7d3..f7516c7d3 100644
--- a/src/test/ui/lang-items/lang-item-missing.stderr
+++ b/tests/ui/lang-items/lang-item-missing.stderr
diff --git a/src/test/ui/lang-items/missing-clone-for-suggestion.rs b/tests/ui/lang-items/missing-clone-for-suggestion.rs
index e8290c009..e8290c009 100644
--- a/src/test/ui/lang-items/missing-clone-for-suggestion.rs
+++ b/tests/ui/lang-items/missing-clone-for-suggestion.rs
diff --git a/src/test/ui/lang-items/missing-clone-for-suggestion.stderr b/tests/ui/lang-items/missing-clone-for-suggestion.stderr
index 35783a1be..35783a1be 100644
--- a/src/test/ui/lang-items/missing-clone-for-suggestion.stderr
+++ b/tests/ui/lang-items/missing-clone-for-suggestion.stderr
diff --git a/src/test/ui/lang-items/no_owned_box_lang_item.rs b/tests/ui/lang-items/no_owned_box_lang_item.rs
index c22b44ffc..c22b44ffc 100644
--- a/src/test/ui/lang-items/no_owned_box_lang_item.rs
+++ b/tests/ui/lang-items/no_owned_box_lang_item.rs
diff --git a/src/test/ui/lang-items/no_owned_box_lang_item.stderr b/tests/ui/lang-items/no_owned_box_lang_item.stderr
index c55c246b5..c55c246b5 100644
--- a/src/test/ui/lang-items/no_owned_box_lang_item.stderr
+++ b/tests/ui/lang-items/no_owned_box_lang_item.stderr
diff --git a/src/test/ui/lang-items/required-lang-item.rs b/tests/ui/lang-items/required-lang-item.rs
index 3b17c5b72..3b17c5b72 100644
--- a/src/test/ui/lang-items/required-lang-item.rs
+++ b/tests/ui/lang-items/required-lang-item.rs
diff --git a/src/test/ui/lang-items/required-lang-item.stderr b/tests/ui/lang-items/required-lang-item.stderr
index 83764a91a..83764a91a 100644
--- a/src/test/ui/lang-items/required-lang-item.stderr
+++ b/tests/ui/lang-items/required-lang-item.stderr
diff --git a/tests/ui/lang-items/start_lang_item_args.argc.stderr b/tests/ui/lang-items/start_lang_item_args.argc.stderr
new file mode 100644
index 000000000..65c99a93c
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.argc.stderr
@@ -0,0 +1,8 @@
+error: parameter 2 of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:75:38
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: i8, _argv: *const *const u8, _sigpipe: u8) -> isize {
+ | ^^ help: change the type from `i8` to `isize`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.argv.stderr b/tests/ui/lang-items/start_lang_item_args.argv.stderr
new file mode 100644
index 000000000..f0947a9b3
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.argv.stderr
@@ -0,0 +1,8 @@
+error: parameter 3 of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:89:52
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: u8, _sigpipe: u8) -> isize {
+ | ^^ help: change the type from `u8` to `*const *const u8`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.argv_inner_ptr.stderr b/tests/ui/lang-items/start_lang_item_args.argv_inner_ptr.stderr
new file mode 100644
index 000000000..08efd5088
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.argv_inner_ptr.stderr
@@ -0,0 +1,13 @@
+error: parameter 3 of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:82:52
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const usize, _sigpipe: u8) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^
+ |
+help: change the type from `*const *const usize` to `*const *const u8`
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+ | ~~~~~~~~~~~~~~~~
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.main_args.stderr b/tests/ui/lang-items/start_lang_item_args.main_args.stderr
new file mode 100644
index 000000000..c20a74466
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.main_args.stderr
@@ -0,0 +1,13 @@
+error: parameter 1 of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:61:20
+ |
+LL | fn start<T>(_main: fn(i32) -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+ | ^^^^^^^^^^^^
+ |
+help: change the type from `fn(i32) -> T` to `fn() -> T`
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+ | ~~~~~~~~~
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.main_ret.stderr b/tests/ui/lang-items/start_lang_item_args.main_ret.stderr
new file mode 100644
index 000000000..8f967252f
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.main_ret.stderr
@@ -0,0 +1,13 @@
+error: parameter 1 of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:68:20
+ |
+LL | fn start<T>(_main: fn() -> u16, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+ | ^^^^^^^^^^^
+ |
+help: change the type from `fn() -> u16` to `fn() -> T`
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+ | ~~~~~~~~~
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.main_ty.stderr b/tests/ui/lang-items/start_lang_item_args.main_ty.stderr
new file mode 100644
index 000000000..deb37b868
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.main_ty.stderr
@@ -0,0 +1,8 @@
+error: parameter 1 of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:54:20
+ |
+LL | fn start<T>(_main: u64, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> isize {
+ | ^^^ help: change the type from `u64` to `fn() -> T`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.missing_all_args.stderr b/tests/ui/lang-items/start_lang_item_args.missing_all_args.stderr
new file mode 100644
index 000000000..004c2a67f
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.missing_all_args.stderr
@@ -0,0 +1,11 @@
+error: incorrect number of parameters for the `start` lang item
+ --> $DIR/start_lang_item_args.rs:15:1
+ |
+LL | fn start<T>() -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: the `start` lang item should have four parameters, but found 0
+ = note: the `start` lang item should have the signature `fn(fn() -> T, isize, *const *const u8, u8) -> isize`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.missing_ret.stderr b/tests/ui/lang-items/start_lang_item_args.missing_ret.stderr
new file mode 100644
index 000000000..1d8285b59
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.missing_ret.stderr
@@ -0,0 +1,8 @@
+error: the return type of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:29:84
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) {}
+ | ^ help: change the type from `()` to `isize`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.missing_sigpipe_arg.stderr b/tests/ui/lang-items/start_lang_item_args.missing_sigpipe_arg.stderr
new file mode 100644
index 000000000..e545a750f
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.missing_sigpipe_arg.stderr
@@ -0,0 +1,11 @@
+error: incorrect number of parameters for the `start` lang item
+ --> $DIR/start_lang_item_args.rs:22:1
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8) -> isize {
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: the `start` lang item should have four parameters, but found 3
+ = note: the `start` lang item should have the signature `fn(fn() -> T, isize, *const *const u8, u8) -> isize`
+
+error: aborting due to previous error
+
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() {}
diff --git a/tests/ui/lang-items/start_lang_item_args.sigpipe.stderr b/tests/ui/lang-items/start_lang_item_args.sigpipe.stderr
new file mode 100644
index 000000000..b20ae3128
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.sigpipe.stderr
@@ -0,0 +1,8 @@
+error: parameter 4 of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:96:80
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: i64) -> isize {
+ | ^^^ help: change the type from `i64` to `u8`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.start_ret.stderr b/tests/ui/lang-items/start_lang_item_args.start_ret.stderr
new file mode 100644
index 000000000..935d5f3c8
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.start_ret.stderr
@@ -0,0 +1,8 @@
+error: the return type of the `start` lang item is incorrect
+ --> $DIR/start_lang_item_args.rs:34:87
+ |
+LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) -> u8 {
+ | ^^ help: change the type from `u8` to `isize`
+
+error: aborting due to previous error
+
diff --git a/tests/ui/lang-items/start_lang_item_args.too_many_args.stderr b/tests/ui/lang-items/start_lang_item_args.too_many_args.stderr
new file mode 100644
index 000000000..30a7ed18a
--- /dev/null
+++ b/tests/ui/lang-items/start_lang_item_args.too_many_args.stderr
@@ -0,0 +1,17 @@
+error: incorrect number of parameters for the `start` lang item
+ --> $DIR/start_lang_item_args.rs:41:1
+ |
+LL | / fn start<T>(
+LL | |
+LL | | _main: fn() -> T,
+LL | | _argc: isize,
+... |
+LL | | _extra_arg: (),
+LL | | ) -> isize {
+ | |__________^
+ |
+ = note: the `start` lang item should have four parameters, but found 5
+ = note: the `start` lang item should have the signature `fn(fn() -> T, isize, *const *const u8, u8) -> isize`
+
+error: aborting due to previous error
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-08 01:56:33 +0000