Regressions on trunk at revision 207977 vs revision 207937

[H.J. Lu ia32]

New failures:

New passes:
FAIL: sourcelocation -findirect-dispatch output - source compiled test
FAIL: sourcelocation -O3 -findirect-dispatch output - source compiled test
FAIL: sourcelocation -O3 output - source compiled test
FAIL: sourcelocation output - source compiled test