How does IFRS differ from current U.S. GAAP in accounting for other-than temporary impairments?

Question:

How does IFRS differ from current U.S. in accounting for other-than temporary impairments?
GAAP
Generally Accepted Accounting Principles (GAAP) is the accounting standard adopted by the U.S. Securities and Exchange Commission (SEC). While the SEC previously stated that it intends to move from U.S. GAAP to the International Financial Reporting Standards (IFRS), the...