Program: 87999
Project: 87999
Buggy source:
@Override public void pickSuggestionManually(final int index,final CharSequence suggestion,int x,int y){
  final SuggestedWords suggestedWords=mSuggestionsView.getSuggestions();
  final InputConnection ic=getCurrentInputConnection();
  if (ic != null)   ic.beginBatchEdit();
  if (SPACE_STATE_PHANTOM == mSpaceState && suggestion.length() > 0) {
    int firstChar=Character.codePointAt(suggestion,0);
    if ((!mSettingsValues.isWeakSpaceStripper(firstChar)) && (!mSettingsValues.isWeakSpaceSwapper(firstChar))) {
      sendKeyCodePoint(Keyboard.CODE_SPACE);
    }
  }
  if (mInputAttributes.mApplicationSpecifiedCompletionOn && mApplicationSpecifiedCompletions != null && index >= 0 && index < mApplicationSpecifiedCompletions.length) {
    if (mSuggestionsView != null) {
      mSuggestionsView.clear();
    }
    mKeyboardSwitcher.updateShiftState();
    resetComposingState(true);
    if (ic != null) {
      final CompletionInfo completionInfo=mApplicationSpecifiedCompletions[index];
      ic.commitCompletion(completionInfo);
      if (ProductionFlag.IS_EXPERIMENTAL) {
        ResearchLogger.latinIME_pickApplicationSpecifiedCompletion(index,completionInfo.getText(),x,y);
      }
    }
    return;
  }
  if (suggestion.length() == 1 && isShowingPunctuationList()) {
    LatinImeLogger.logOnManualSuggestion("String_Node_Str",suggestion.toString(),index,suggestedWords);
    if (ProductionFlag.IS_EXPERIMENTAL) {
      ResearchLogger.latinIME_punctuationSuggestion(index,suggestion,x,y);
    }
    final int primaryCode=suggestion.charAt(0);
    onCodeInput(primaryCode,KeyboardActionListener.SUGGESTION_STRIP_COORDINATE,KeyboardActionListener.SUGGESTION_STRIP_COORDINATE);
    return;
  }
  final String replacedWord=mWordComposer.getTypedWord().toString();
  LatinImeLogger.logOnManualSuggestion(replacedWord,suggestion.toString(),index,suggestedWords);
  if (ProductionFlag.IS_EXPERIMENTAL) {
    ResearchLogger.latinIME_pickSuggestionManually(replacedWord,index,suggestion,x,y);
  }
  mExpectingUpdateSelection=true;
  commitChosenWord(suggestion,LastComposedWord.COMMIT_TYPE_MANUAL_PICK,LastComposedWord.NOT_A_SEPARATOR);
  mLastComposedWord.deactivate();
  addToUserHistoryDictionary(suggestion);
  mSpaceState=SPACE_STATE_PHANTOM;
  mKeyboardSwitcher.updateShiftState();
  final boolean showingAddToDictionaryHint=index == 0 && mSuggest != null && (!mSuggest.hasMainDictionary() || !AutoCorrection.isValidWord(mSuggest.getUnigramDictionaries(),suggestion,true));
  Utils.Stats.onSeparator((char)Keyboard.CODE_SPACE,WordComposer.NOT_A_COORDINATE,WordComposer.NOT_A_COORDINATE);
  if (!showingAddToDictionaryHint) {
    updateBigramPredictions();
  }
 else {
    if (mIsUserDictionaryAvailable) {
      mSuggestionsView.showAddToDictionaryHint(suggestion,mSettingsValues.mHintToSaveText);
    }
 else {
      mHandler.postUpdateSuggestions();
    }
  }
  if (null != ic)   ic.endBatchEdit();
}

Fixed version (ground truth):
@Override public void pickSuggestionManually(final int index,final CharSequence suggestion,int x,int y){
  final SuggestedWords suggestedWords=mSuggestionsView.getSuggestions();
  final InputConnection ic=getCurrentInputConnection();
  if (ic != null)   ic.beginBatchEdit();
  if (suggestion.length() == 1 && isShowingPunctuationList()) {
    LatinImeLogger.logOnManualSuggestion("String_Node_Str",suggestion.toString(),index,suggestedWords);
    if (ProductionFlag.IS_EXPERIMENTAL) {
      ResearchLogger.latinIME_punctuationSuggestion(index,suggestion,x,y);
    }
    final int primaryCode=suggestion.charAt(0);
    onCodeInput(primaryCode,KeyboardActionListener.SUGGESTION_STRIP_COORDINATE,KeyboardActionListener.SUGGESTION_STRIP_COORDINATE);
    return;
  }
  if (SPACE_STATE_PHANTOM == mSpaceState && suggestion.length() > 0) {
    int firstChar=Character.codePointAt(suggestion,0);
    if ((!mSettingsValues.isWeakSpaceStripper(firstChar)) && (!mSettingsValues.isWeakSpaceSwapper(firstChar))) {
      sendKeyCodePoint(Keyboard.CODE_SPACE);
    }
  }
  if (mInputAttributes.mApplicationSpecifiedCompletionOn && mApplicationSpecifiedCompletions != null && index >= 0 && index < mApplicationSpecifiedCompletions.length) {
    if (mSuggestionsView != null) {
      mSuggestionsView.clear();
    }
    mKeyboardSwitcher.updateShiftState();
    resetComposingState(true);
    if (ic != null) {
      final CompletionInfo completionInfo=mApplicationSpecifiedCompletions[index];
      ic.commitCompletion(completionInfo);
      if (ProductionFlag.IS_EXPERIMENTAL) {
        ResearchLogger.latinIME_pickApplicationSpecifiedCompletion(index,completionInfo.getText(),x,y);
      }
    }
    return;
  }
  final String replacedWord=mWordComposer.getTypedWord().toString();
  LatinImeLogger.logOnManualSuggestion(replacedWord,suggestion.toString(),index,suggestedWords);
  if (ProductionFlag.IS_EXPERIMENTAL) {
    ResearchLogger.latinIME_pickSuggestionManually(replacedWord,index,suggestion,x,y);
  }
  mExpectingUpdateSelection=true;
  commitChosenWord(suggestion,LastComposedWord.COMMIT_TYPE_MANUAL_PICK,LastComposedWord.NOT_A_SEPARATOR);
  mLastComposedWord.deactivate();
  addToUserHistoryDictionary(suggestion);
  mSpaceState=SPACE_STATE_PHANTOM;
  mKeyboardSwitcher.updateShiftState();
  final boolean showingAddToDictionaryHint=index == 0 && mSuggest != null && (!mSuggest.hasMainDictionary() || !AutoCorrection.isValidWord(mSuggest.getUnigramDictionaries(),suggestion,true));
  Utils.Stats.onSeparator((char)Keyboard.CODE_SPACE,WordComposer.NOT_A_COORDINATE,WordComposer.NOT_A_COORDINATE);
  if (!showingAddToDictionaryHint) {
    updateBigramPredictions();
  }
 else {
    if (mIsUserDictionaryAvailable) {
      mSuggestionsView.showAddToDictionaryHint(suggestion,mSettingsValues.mHintToSaveText);
    }
 else {
      mHandler.postUpdateSuggestions();
    }
  }
  if (null != ic)   ic.endBatchEdit();
}