added regression tests for scala#11251

Author: rssh

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

@@ -28,6 +28,8 @@ class BootstrappedOnlyCompilationTests {
       compileFilesInDir("tests/pos-macros", defaultOptions),
       compileFilesInDir("tests/pos-custom-args/semanticdb", defaultOptions.and("-Xsemanticdb")),
       compileDir("tests/pos-special/i7592", defaultOptions.and("-Yretain-trees")),
+      compileDir("tests/pos-special/i11251", defaultOptions.and("-Ycheck:macros")),
+      //compileDir("tests/pos-special/i11331", defaultOptions),
     ).checkCompile()
   }
 

tests/pos-special/i11251/Macro_1.scala

@@ -0,0 +1,32 @@
+package i11251
+
+import scala.quoted._
+
+class SL:
+  
+  inline def foo(inline step: Int => Int): SL =
+     val f = step
+     this
+
+  def run1(): Unit = ???
+      
+  inline def run(): Unit =
+    run1()
+
+// works
+//object SL
+
+object X:
+
+ inline def process[T](inline f:T) = ${
+   processImpl[T]('f)
+ }
+
+ def processImpl[T:Type](t:Expr[T])(using Quotes):Expr[T] = 
+   import quotes.reflect._
+   val checker = new TreeMap() {}
+   checker.transformTerm(t.asTerm)(Symbol.spliceOwner)
+   t
+
+ 
+

tests/pos-special/i11251/Test_2.scala

@@ -0,0 +1,15 @@
+package i11251
+
+
+object Main {
+
+ def main(args:Array[String]):Unit =
+    val sl = new SL()
+    X.process(
+      sl.foo(x=>x+1).run()
+    )
+
+}
+
+
+