Add known-tool-in-submodule test

The test currently fails. The next commit fixes it.
rust-lang · Sep 24, 2021 · 551220c · 551220c
1 parent bf64232
commit 551220c
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diff --git a/src/test/ui/lint/known-tool-in-submodule/root.rs b/src/test/ui/lint/known-tool-in-submodule/root.rs
@@ -0,0 +1,10 @@
+// check-pass
+
+#![feature(register_tool)]
+#![register_tool(tool)]
+
+mod submodule;
+
+fn main() {
+    submodule::foo();
+}
diff --git a/src/test/ui/lint/known-tool-in-submodule/submodule.rs b/src/test/ui/lint/known-tool-in-submodule/submodule.rs
@@ -0,0 +1,4 @@
+// ignore-test: not a test
+
+#[allow(tool::lint)]
+pub fn foo() {}