Missed two spots where we use polyglot arrays

distribution/lib/Standard/Base/0.0.0-dev/src/Data/Text/Encoding.enso

@@ -9,7 +9,7 @@ polyglot java import org.enso.base.Text_Utils
 all_character_sets : Vector.Vector Text
 all_character_sets =
     java_array = Charset.availableCharsets.keySet.toArray
-    Vector.Vector java_array
+    Vector.from_polyglot_array java_array
 
 ## Get all available Encodings.
 all_encodings : Vector Encoding

distribution/lib/Standard/Base/0.0.0-dev/src/Data/Text/Extensions.enso

@@ -817,7 +817,7 @@ Text.from_utf_8 bytes on_problems=Report_Warning =
 
          "Hello".char_vector
 Text.char_vector : Vector.Vector Integer
-Text.char_vector self = Vector.Vector (Text_Utils.get_chars self)
+Text.char_vector self = Vector.from_polyglot_array (Text_Utils.get_chars self)
 
 ## Takes a vector of characters and returns the text that results from it.
 
@@ -840,7 +840,7 @@ Text.from_char_vector chars = Text_Utils.from_chars chars.to_array
 
          "Hello".codepoints
 Text.codepoints : Vector.Vector Integer
-Text.codepoints self = Vector.Vector (Text_Utils.get_codepoints self)
+Text.codepoints self = Vector.from_polyglot_array (Text_Utils.get_codepoints self)
 
 ## Takes an array of numbers and returns the text resulting from interpreting it
    as a sequence of Unicode codepoints.

engine/runtime-language-epb/src/main/java/org/enso/interpreter/epb/node/CoercePrimitiveNode.java

@@ -64,6 +64,19 @@ long doInteger(Object integer, @CachedLibrary(limit = "5") InteropLibrary number
     }
   }
 
+  @Specialization(guards = {"characters.isString(character)", "isChar(character)"})
+  long doChar(Object character, @CachedLibrary(limit = "5") InteropLibrary characters) {
+    try {
+      return characters.asString(character).charAt(0);
+    } catch (UnsupportedMessageException e) {
+      throw new IllegalStateException("Impossible, `character` is checked to be a long");
+    }
+  }
+
+  static boolean isChar(Object s) {
+    return s instanceof Character;
+  }
+
   @Fallback
   Object doNonPrimitive(Object value) {
     return value;