CLI: Follow symbolic links of content roots

Otherwise, incremental compilation is broken
 #KT-77445

Author: ilmirus

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/compiler/KotlinToJVMBytecodeCompiler.kt

@@ -51,6 +51,8 @@ import org.jetbrains.kotlin.util.PhaseType
 import org.jetbrains.kotlin.util.tryMeasurePhaseTime
 import org.jetbrains.kotlin.utils.addToStdlib.runIf
 import java.io.File
+import java.nio.file.Paths
+import kotlin.io.path.isSymbolicLink
 
 object KotlinToJVMBytecodeCompiler {
     var customClassBuilderFactory = CompilerConfigurationKey.create<ClassBuilderFactory>("Custom ClassBuilderFactory")
@@ -471,10 +473,18 @@ fun CompilerConfiguration.configureSourceRoots(chunk: List<Module>, buildFile: F
 
     for (module in chunk) {
         for (classpathRoot in module.getClasspathRoots()) {
+            // The "official" way of `Paths.get(path).isSymbolicLink()` does not work on Windows
+            //   if the path starts with `/C:` - `sun.nio.fs.WindowsPathParser.normalize`
+            //   throws `InvalidPathException: Illegal char <:>`.
+            val path =
+                if (System.getProperty("os.name").contains("Windows") && classpathRoot.startsWith("/"))
+                    Paths.get(classpathRoot.removePrefix("/"))
+                else Paths.get(classpathRoot)
+            val file = if (path.isSymbolicLink()) path.toRealPath().toFile() else File(classpathRoot)
             if (isJava9Module) {
-                add(CLIConfigurationKeys.CONTENT_ROOTS, JvmModulePathRoot(File(classpathRoot)))
+                add(CLIConfigurationKeys.CONTENT_ROOTS, JvmModulePathRoot(file))
             }
-            add(CLIConfigurationKeys.CONTENT_ROOTS, JvmClasspathRoot(File(classpathRoot)))
+            add(CLIConfigurationKeys.CONTENT_ROOTS, JvmClasspathRoot(file))
         }
     }