[Bug bootstrap/49919] problem with building gcc 4.6.1 on Mac OS X Lion

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49919

--- Comment #7 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-07-31 15:39:38 UTC ---
The presence of...

gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00)

from the output of 'gcc -v' indicates that is uses the llvm backend.