[Bug c/47473] [4.5/4.6 Regression] Incorrect computation with complex numbers when using -std=c99

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47473

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2011-01-26 15:14:10 UTC ---
It is caused by revision 147281:

http://gcc.gnu.org/ml/gcc-cvs/2009-05/msg00255.html