Add support for misc repeatable compiler options:

- -coverage-exclude-classlikes
- -coverage-exclude-files
- -Wshadow
- -Xlint
- -Xplugin-disable
- -Xplugin-require
- -Yimports
- -Yfrom-tasty-ignore-list

Author: Gedochao

modules/cli/src/main/scala/scala/cli/commands/shared/ScalacOptions.scala

@@ -50,6 +50,8 @@ object ScalacOptions {
   private val scalacOptionsPrefixes     = Set("P") ++ scalacOptionsPurePrefixes
   private val scalacAliasedOptions = // these options don't require being passed after -O and accept an arg
     Set(
+      "coverage-exclude-classlikes",
+      "coverage-exclude-files",
       "encoding",
       "release",
       "color",

modules/options/src/main/scala/scala/build/options/ScalacOpt.scala

@@ -24,12 +24,20 @@ object ScalacOpt {
     def noDashPrefixes: String = opt.stripPrefix("--").stripPrefix("-")
   }
   private val repeatingKeys = Set(
-    "Xmacro-settings",
-    "Xplugin",
-    "P", // plugin options
+    "coverage-exclude-classlikes",
+    "coverage-exclude-files",
     "language",
+    "P", // plugin options
     "Wconf",
-    "Wunused"
+    "Wunused",
+    "Wshadow",
+    "Xlint",
+    "Xmacro-settings",
+    "Xplugin",
+    "Xplugin-disable",
+    "Xplugin-require",
+    "Yimports",
+    "Yfrom-tasty-ignore-list"
   )
 
   implicit val hashedType: HashedType[ScalacOpt] = {