Program: 68132
Project: 68132
Buggy source:
protected Composite getComponent(Composite parent){
  ChartUIUtil.bindHelp(parent,ChartHelpContextIds.POPUP_DIAL_LABELS);
  GridLayout glContent=new GridLayout(2,false);
  glContent.verticalSpacing=0;
  glContent.marginHeight=7;
  glContent.marginWidth=7;
  cmpContent=new Composite(parent,SWT.NONE);
  cmpContent.setLayout(glContent);
  LabelAttributesContext attributesContext=new LabelAttributesContext();
  attributesContext.isPositionEnabled=false;
  attributesContext.isFontAlignmentEnabled=false;
  attributesContext.isVisibilityEnabled=false;
  lacTitle=new LabelAttributesComposite(cmpContent,SWT.NONE,getContext(),attributesContext,null,null,getSeriesForProcessing().getDial().getLabel(),getChart().getUnits());
  GridData gdLACTitle=new GridData(GridData.FILL_HORIZONTAL);
  gdLACTitle.horizontalSpan=2;
  lacTitle.setLayoutData(gdLACTitle);
  lacTitle.addListener(this);
  Label label=new Label(cmpContent,SWT.NONE);
{
    GridData gd=new GridData();
    gd.horizontalIndent=10;
    label.setLayoutData(gd);
    label.setText(Messages.getString("String_Node_Str"));
  }
  Composite cmpFormat=new Composite(cmpContent,SWT.BORDER);
{
    GridLayout layout=new GridLayout(2,false);
    layout.marginWidth=0;
    layout.marginHeight=0;
    layout.horizontalSpacing=0;
    cmpFormat.setLayout(layout);
    cmpFormat.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    cmpFormat.setBackground(cmpFormat.getDisplay().getSystemColor(SWT.COLOR_WHITE));
  }
  fsp=new FormatSpecifierPreview(cmpFormat,SWT.NONE,false);
{
    GridData gd=new GridData();
    gd.grabExcessHorizontalSpace=true;
    gd.horizontalAlignment=SWT.CENTER;
    fsp.setLayoutData(gd);
    fsp.updatePreview(getSeriesForProcessing().getDial().getFormatSpecifier());
  }
  btnFormatSpecifier=new Button(cmpFormat,SWT.PUSH);
{
    GridData gd=new GridData();
    ChartUIUtil.setChartImageButtonHeightByPlatform(gd);
    btnFormatSpecifier.setLayoutData(gd);
    btnFormatSpecifier.setToolTipText(Messages.getString("String_Node_Str"));
    btnFormatSpecifier.setText(Messages.getString("String_Node_Str"));
    btnFormatSpecifier.addSelectionListener(this);
  }
  return cmpContent;
}

Fixed version (ground truth):
protected Composite getComponent(Composite parent){
  ChartUIUtil.bindHelp(parent,ChartHelpContextIds.POPUP_DIAL_LABELS);
  GridLayout glContent=new GridLayout(2,false);
  glContent.verticalSpacing=0;
  glContent.marginHeight=7;
  glContent.marginWidth=7;
  cmpContent=new Composite(parent,SWT.NONE);
  cmpContent.setLayout(glContent);
  LabelAttributesContext attributesContext=new LabelAttributesContext();
  attributesContext.isPositionEnabled=false;
  attributesContext.isFontAlignmentEnabled=false;
  attributesContext.isVisibilityEnabled=false;
  lacTitle=new LabelAttributesComposite(cmpContent,SWT.NONE,getContext(),attributesContext,null,null,getSeriesForProcessing().getDial().getLabel(),getChart().getUnits());
  GridData gdLACTitle=new GridData(GridData.FILL_HORIZONTAL);
  gdLACTitle.horizontalSpan=2;
  lacTitle.setLayoutData(gdLACTitle);
  lacTitle.addListener(this);
  Label label=new Label(cmpContent,SWT.NONE);
{
    GridData gd=new GridData();
    gd.horizontalIndent=10;
    label.setLayoutData(gd);
    label.setText(Messages.getString("String_Node_Str"));
  }
  Composite cmpFormat=new Composite(cmpContent,SWT.BORDER);
{
    GridLayout layout=new GridLayout(2,false);
    layout.marginWidth=0;
    layout.marginHeight=0;
    layout.horizontalSpacing=0;
    cmpFormat.setLayout(layout);
    cmpFormat.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    cmpFormat.setBackground(cmpFormat.getDisplay().getSystemColor(SWT.COLOR_WHITE));
  }
  fsp=new FormatSpecifierPreview(cmpFormat,SWT.NONE,false);
{
    GridData gd=new GridData();
    gd.grabExcessHorizontalSpace=true;
    gd.horizontalAlignment=SWT.CENTER;
    fsp.setLayoutData(gd);
    fsp.updatePreview(getSeriesForProcessing().getDial().getFormatSpecifier());
  }
  btnFormatSpecifier=new Button(cmpFormat,SWT.PUSH);
{
    GridData gd=new GridData();
    btnFormatSpecifier.setLayoutData(gd);
    btnFormatSpecifier.setToolTipText(Messages.getString("String_Node_Str"));
    btnFormatSpecifier.setText(Messages.getString("String_Node_Str"));
    btnFormatSpecifier.addSelectionListener(this);
  }
  return cmpContent;
}