Fix test for improved extents produced by clang 3.5.
Fix test for improved extents produced by clang 3.5.

jbradberry/dxr,KiemVM/Mozilla--dxr,kleintom/dxr,jbradberry/dxr,jbradberry/dxr,jbradberry/dxr,pelmers/dxr,srenatus/dxr,bozzmob/dxr,gartung/dxr,gartung/dxr,pelmers/dxr,KiemVM/Mozilla--dxr,gartung/dxr,KiemVM/Mozilla--dxr,KiemVM/Mozilla--dxr,nrc/dxr,kleintom/dxr,pelmers/dxr,bozzmob/dxr,kleintom/dxr,jay-z007/dxr,pelmers/dxr,jay-z007/dxr,jay-z007/dxr,pombredanne/dxr,pombredanne/dxr,gartung/dxr,bozzmob/dxr,jay-z007/dxr,srenatus/dxr,KiemVM/Mozilla--dxr,kleintom/dxr,kleintom/dxr,pelmers/dxr,bozzmob/dxr,nrc/dxr,jay-z007/dxr,pelmers/dxr,jay-z007/dxr,srenatus/dxr,srenatus/dxr,nrc/dxr,pombredanne/dxr,nrc/dxr,pombredanne/dxr,kleintom/dxr,pombredanne/dxr,jbradberry/dxr,srenatus/dxr,pelmers/dxr,bozzmob/dxr,jay-z007/dxr,jbradberry/dxr,pombredanne/dxr,nrc/dxr,bozzmob/dxr,bozzmob/dxr,pombredanne/dxr,nrc/dxr,gartung/dxr,gartung/dxr,kleintom/dxr,jbradberry/dxr,KiemVM/Mozilla--dxr,srenatus/dxr,gartung/dxr