Description of problem:
gcc ICEs on src/dos/drive_fat.cpp from SRPM .

A reduced 20 line version is attached.


Version-Release number of selected component (if applicable):
gcc-4.0.0-0.42

How reproducible:
Always.

Steps to Reproduce:
1. Compile the attached source with g++ -c -O2 file.cpp
  
Actual results:
foo.cpp: In function âvoid ice()â:
foo.cpp:10: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://bugzilla.redhat.com/bugzilla> for instructions.
Preprocessed source stored into /tmp/ccAieyM9.out file, please attach this to
your bugreport.


Expected results:
It works.

Additional info:
gdb doesn't seem to provide a symbolic backtrace even though gcc-debuginfo is
installed