backport: include inline when printing param names

[Cherry-picked aee3230]

Author: tgodzik

presentation-compiler/src/main/dotty/tools/pc/printer/ShortenedTypePrinter.scala

@@ -527,7 +527,8 @@ class ShortenedTypePrinter(
         else if includeDefaultParam == ShortenedTypePrinter.IncludeDefaultParam.ResolveLater && isDefaultParam
         then " = ..."
         else "" // includeDefaultParam == Never or !isDefaultParam
-      s"$keywordName: ${paramTypeString}$default"
+      val inline = if(param.is(Flags.Inline)) "inline " else ""
+      s"$inline$keywordName: ${paramTypeString}$default"
     end if
   end paramLabel
 

presentation-compiler/test/dotty/tools/pc/tests/completion/CompletionArgSuite.scala

@@ -796,7 +796,7 @@ class CompletionArgSuite extends BaseCompletionSuite:
          |  def k: Int = m(1, a@@)
          |""".stripMargin,
       """|aaa = : Int
-         |assert(assertion: Boolean): Unit
+         |assert(inline assertion: Boolean): Unit
          |""".stripMargin,
       topLines = Some(2),
     )
@@ -810,7 +810,7 @@ class CompletionArgSuite extends BaseCompletionSuite:
          |  def k: Int = m(inn = 1, a@@)
          |""".stripMargin,
       """|aaa = : Int
-         |assert(assertion: Boolean): Unit
+         |assert(inline assertion: Boolean): Unit
          |""".stripMargin,
       topLines = Some(2),
     )
@@ -912,7 +912,7 @@ class CompletionArgSuite extends BaseCompletionSuite:
          |""".stripMargin,
       """|aaa = : Int
          |abb = : Option[Int]
-         |assert(assertion: Boolean): Unit
+         |assert(inline assertion: Boolean): Unit
          |""".stripMargin,
       topLines = Some(3),
     )
@@ -927,7 +927,7 @@ class CompletionArgSuite extends BaseCompletionSuite:
          |""".stripMargin,
       """|aaa = : Int
          |abb = : Option[Int]
-         |assert(assertion: Boolean): Unit
+         |assert(inline assertion: Boolean): Unit
          |""".stripMargin,
       topLines = Some(3),
     )
@@ -945,7 +945,7 @@ class CompletionArgSuite extends BaseCompletionSuite:
          |""".stripMargin,
       """|aaa = : Int
          |abb = : Option[Int]
-         |assert(assertion: Boolean): Unit
+         |assert(inline assertion: Boolean): Unit
          |""".stripMargin,
       topLines = Some(3),
     )
@@ -963,7 +963,7 @@ class CompletionArgSuite extends BaseCompletionSuite:
          |""".stripMargin,
       """|abb = : Option[Int]
          |acc = : List[Int]
-         |assert(assertion: Boolean): Unit
+         |assert(inline assertion: Boolean): Unit
          |""".stripMargin,
       topLines = Some(3),
     )

presentation-compiler/test/dotty/tools/pc/tests/completion/CompletionCancelSuite.scala

@@ -90,8 +90,8 @@ class CompletionCancelSuite extends BaseCompletionSuite:
         |  val x = asser@@
         |}
       """.stripMargin,
-      """|assert(assertion: Boolean): Unit
-         |assert(assertion: Boolean, message: => Any): Unit
+      """|assert(inline assertion: Boolean): Unit
+         |assert(inline assertion: Boolean, inline message: => Any): Unit
          |""".stripMargin
     )