From b51eceb82d1cb48685b590a759226eb69ee71245 Mon Sep 17 00:00:00 2001
From: Wojciech Mazur <wmazur@virtuslab.com>
Date: Tue, 3 Dec 2024 21:21:28 +0100
Subject: [PATCH] Update asm to patched 9.7

[Cherry-picked 5915e511cbe1a19e7b67d7393b77bf16abfc22fa][modified]
---
 .../tools/backend/jvm/BackendUtils.scala      | 40 ++++++++++---------
 project/Build.scala                           |  2 +-
 .../dotc/config/ScalaSettings.scala           |  2 +-
 3 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/compiler/src/dotty/tools/backend/jvm/BackendUtils.scala b/compiler/src/dotty/tools/backend/jvm/BackendUtils.scala
index f7a6e45f3a26..5465dd8dc83c 100644
--- a/compiler/src/dotty/tools/backend/jvm/BackendUtils.scala
+++ b/compiler/src/dotty/tools/backend/jvm/BackendUtils.scala
@@ -20,24 +20,7 @@ class BackendUtils(val postProcessor: PostProcessor) {
   import bTypes.*
   import coreBTypes.jliLambdaMetaFactoryAltMetafactoryHandle
 
-  // Keep synchronized with `minTargetVersion` and `maxTargetVersion` in ScalaSettings
-  lazy val classfileVersion: Int = compilerSettings.target match {
-    case "8"  => asm.Opcodes.V1_8
-    case "9"  => asm.Opcodes.V9
-    case "10" => asm.Opcodes.V10
-    case "11" => asm.Opcodes.V11
-    case "12" => asm.Opcodes.V12
-    case "13" => asm.Opcodes.V13
-    case "14" => asm.Opcodes.V14
-    case "15" => asm.Opcodes.V15
-    case "16" => asm.Opcodes.V16
-    case "17" => asm.Opcodes.V17
-    case "18" => asm.Opcodes.V18
-    case "19" => asm.Opcodes.V19
-    case "20" => asm.Opcodes.V20
-    case "21" => asm.Opcodes.V21
-    case "22" => asm.Opcodes.V22
-  }
+  lazy val classfileVersion: Int = BackendUtils.classfileVersionMap(compilerSettings.target.toInt)
 
   lazy val extraProc: Int = {
     import GenBCodeOps.addFlagIf
@@ -184,3 +167,24 @@ class BackendUtils(val postProcessor: PostProcessor) {
     }
   }
 }
+
+object BackendUtils {
+  lazy val classfileVersionMap: Map[Int, Int] = Map(
+    8 -> asm.Opcodes.V1_8,
+    9 -> asm.Opcodes.V9,
+    10 -> asm.Opcodes.V10,
+    11 -> asm.Opcodes.V11,
+    12 -> asm.Opcodes.V12,
+    13 -> asm.Opcodes.V13,
+    14 -> asm.Opcodes.V14,
+    15 -> asm.Opcodes.V15,
+    16 -> asm.Opcodes.V16,
+    17 -> asm.Opcodes.V17,
+    18 -> asm.Opcodes.V18,
+    19 -> asm.Opcodes.V19,
+    20 -> asm.Opcodes.V20,
+    21 -> asm.Opcodes.V21,
+    22 -> asm.Opcodes.V22,
+    23 -> asm.Opcodes.V23
+  )
+}
diff --git a/project/Build.scala b/project/Build.scala
index c365f6f9381e..6cc860718d5a 100644
--- a/project/Build.scala
+++ b/project/Build.scala
@@ -580,7 +580,7 @@ object Build {
 
       // get libraries onboard
       libraryDependencies ++= Seq(
-        "org.scala-lang.modules" % "scala-asm" % "9.6.0-scala-1", // used by the backend
+        "org.scala-lang.modules" % "scala-asm" % "9.7.0-scala-2", // used by the backend
         Dependencies.compilerInterface,
         "org.jline" % "jline-reader" % "3.25.1",   // used by the REPL
         "org.jline" % "jline-terminal" % "3.25.1",
diff --git a/tests/pos-with-compiler-cc/dotc/config/ScalaSettings.scala b/tests/pos-with-compiler-cc/dotc/config/ScalaSettings.scala
index b3250eb7b536..df620d5a22f2 100644
--- a/tests/pos-with-compiler-cc/dotc/config/ScalaSettings.scala
+++ b/tests/pos-with-compiler-cc/dotc/config/ScalaSettings.scala
@@ -17,7 +17,7 @@ class ScalaSettings extends SettingGroup with AllScalaSettings
 object ScalaSettings:
   // Keep synchronized with `classfileVersion` in `BCodeIdiomatic`
   private val minTargetVersion = 8
-  private val maxTargetVersion = 22
+  private val maxTargetVersion = 23
 
   def supportedTargetVersions: List[String] =
     (minTargetVersion to maxTargetVersion).toList.map(_.toString)