bugfix: Allow Scala 2.11 to be run on newer JVMs

Previously, Scala presentation compiler for Scala 2.11 would not work if used on a newer JDK. Now, since the fix was small and there are no plan on releasing Scala 2.11.13 I shadowed the problematic class and that should fix the issue.
kasiaMarek · Feb 7, 2024 · 653f847 · 653f847
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diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -127,7 +127,7 @@ jobs:
             command: sbt cross-test-2-11
             name: Scala 2.11 cross tests
             os: ubuntu-latest
-            java: "8"
+            java: "17"
           - type: scalafix
             command: sbt scalafixCheck docs/docusaurusCreateSite
             name: Scalafix and docs

diff --git a/.scalafmt.conf b/.scalafmt.conf
@@ -20,6 +20,7 @@ project.excludeFilters = [
   "metals-bench/src/main/resources"
   "tests/unit/src/test/resources"
   "tests/input/src/main/scala"
+  "mtags/src/main/scala-2.11/scala/tools/nsc/symtab/classfile/ClassfileParser.scala"
 ]
 
 fileOverride {