Rollup merge of #105970 - Ezrashaw:add-docs+test-e0462, r=GuillaumeGomez

docs/test: add UI test and long-form error docs for E0462

Another UI test/ docs combo.

r? ``@GuillaumeGomez``

4 files changed, 30 insertions, 2 deletions

diff --git a/src/test/ui/error-codes/E0462.rs b/src/test/ui/error-codes/E0462.rs
new file mode 100644
index 00000000000..f839ee783b5
--- /dev/null
+++ b/src/test/ui/error-codes/E0462.rs
@@ -0,0 +1,11 @@
+// aux-build:found-staticlib.rs
+
+// normalize-stderr-test: "\.nll/" -> "/"
+// normalize-stderr-test: "\\\?\\" -> ""
+// normalize-stderr-test: "(lib)?found_staticlib\.[a-z]+" -> "libfound_staticlib.somelib"
+
+extern crate found_staticlib; //~ ERROR E0462
+
+fn main() {
+    found_staticlib::foo();
+}
diff --git a/src/test/ui/error-codes/E0462.stderr b/src/test/ui/error-codes/E0462.stderr
new file mode 100644
index 00000000000..43e27965ffc
--- /dev/null
+++ b/src/test/ui/error-codes/E0462.stderr
@@ -0,0 +1,13 @@
+error[E0462]: found staticlib `found_staticlib` instead of rlib or dylib
+  --> $DIR/E0462.rs:7:1
+   |
+LL | extern crate found_staticlib;
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: the following crate versions were found:
+           crate `found_staticlib`: $TEST_BUILD_DIR/error-codes/E0462/auxiliary/libfound_staticlib.somelib
+   = help: please recompile that crate using --crate-type lib
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0462`.
diff --git a/src/test/ui/error-codes/auxiliary/found-staticlib.rs b/src/test/ui/error-codes/auxiliary/found-staticlib.rs
new file mode 100644
index 00000000000..04e2c59789d
--- /dev/null
+++ b/src/test/ui/error-codes/auxiliary/found-staticlib.rs
@@ -0,0 +1,4 @@
+// no-prefer-dynamic
+#![crate_type = "staticlib"]
+
+pub fn foo() {}
diff --git a/src/tools/tidy/src/error_codes_check.rs b/src/tools/tidy/src/error_codes_check.rs
index 1b119e4113e..49fc2ceb3a2 100644
--- a/src/tools/tidy/src/error_codes_check.rs
+++ b/src/tools/tidy/src/error_codes_check.rs
@@ -11,8 +11,8 @@ use regex::Regex;
 
 // A few of those error codes can't be tested but all the others can and *should* be tested!
 const EXEMPTED_FROM_TEST: &[&str] = &[
-    "E0313", "E0461", "E0462", "E0465", "E0476", "E0490", "E0514", "E0519", "E0523", "E0554",
-    "E0640", "E0717", "E0729", "E0789",
+    "E0313", "E0461", "E0465", "E0476", "E0490", "E0514", "E0519", "E0523", "E0554", "E0640",
+    "E0717", "E0729", "E0789",
 ];
 
 // Some error codes don't have any tests apparently...