Add filtering for standard KLIBs

shared/src/library/kotlin/org/jetbrains/kotlin/konan/library/SearchPathResolver.kt

@@ -159,9 +159,11 @@ internal open class KonanLibrarySearchPathResolver(
 
         if (!noDefaultLibs) {
             val defaultLibs = defaultRoots.flatMap { it.listFiles }
+                    .asSequence()
+                    .filterNot { it.name.startsWith('.') }
                     .filterNot { it.name.removeSuffixIfPresent(KLIB_FILE_EXTENSION_WITH_DOT) == KONAN_STDLIB_NAME }
                     .map { UnresolvedLibrary(it.absolutePath, null) }
-                    .map {resolve(it, isDefaultLink = true) }
+                    .map { resolve(it, isDefaultLink = true) }
             result.addAll(defaultLibs)
         }
 

shared/src/library/kotlin/org/jetbrains/kotlin/konan/library/impl/KonanLibraryLayoutImpl.kt

@@ -37,7 +37,9 @@ internal fun zippedKonanLibraryChecks(klibFile: File) {
     check(klibFile.isFile) { "Expected $klibFile to be a regular file." }
 
     val extension = klibFile.extension
-    check(extension.isEmpty() || extension == KLIB_FILE_EXTENSION) { "Unexpected file extension: $extension" }
+    check(extension.isEmpty() || extension == KLIB_FILE_EXTENSION) {
+        "KLIB path has unexpected extension: $klibFile"
+    }
 }
 
 private class UnzippedKonanLibraryLayout(override val libDir: File, override val target: KonanTarget?): KonanLibraryLayoutImpl {