test: add in a check file for rewrite issue (#17410)

This adds in a test to ensure that the issue reported in #17399 is
indeed fixed with #12954. This case is a bit different, so best to also
just have it covered with a test.

Closes #17399

Author: ckipp01

compiler/test/dotty/tools/dotc/CompilationTests.scala

@@ -82,6 +82,7 @@ class CompilationTests {
       compileFile("tests/rewrites/i11895.scala", defaultOptions.and("-indent", "-rewrite")),
       compileFile("tests/rewrites/i12340.scala", unindentOptions.and("-rewrite")),
       compileFile("tests/rewrites/i17187.scala", unindentOptions.and("-rewrite")),
+      compileFile("tests/rewrites/i17399.scala", unindentOptions.and("-rewrite")),
     ).checkRewrites()
   }
 

tests/rewrites/i17399.check

@@ -0,0 +1,7 @@
+def test[T](body:T):T = body
+
+object Test {
+  test {
+    println("test 1")
+  }
+}

tests/rewrites/i17399.scala

@@ -0,0 +1,5 @@
+def test[T](body:T):T = body
+
+object Test:
+  test:
+    println("test 1")