Bug 63898 [reconciling] Multiple threads calling IJavaReconcilingListener#reconciled() at the same time
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
if (newLine < 0 || newLine >= document.getNumberOfLines())
					return -1;
				int maxColumn= document.getLineLength(newLine);
				String lineDelimiter= document.getLineDelimiter(newLine);
				if (lineDelimiter != null)
					maxColumn= maxColumn - lineDelimiter.length();
				int offset;
				if (fColumn > maxColumn)
					offset= document.getLineOffset(newLine) + maxColumn;
				else
					offset= document.getLineOffset(newLine) + fColumn;
				return offset;
			} catch (BadLocationException e) {
				
				JavaPlugin.log(e);
				return -1;
			} catch (JavaModelException e) {
				
				JavaPlugin.log(e.getStatus());
				return -1;
			}
		}
		
		/**
		 * Returns the offset used to reveal the given element based on the given selection offset.
		 * @param element the element
		 * @param offset the selection offset
		 * @return the offset to reveal the given element based on the given selection offset
		 */
		public int getRevealOffset(IJavaElement element, int offset) {