[Bug middle-end/51769] bootstrap fails when using -O2 -funswitch-loops -floop-flatten

[matt at use dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51769

--- Comment #1 from Matt Hargett <matt at use dot net> 2012-01-05 16:03:06 UTC ---
Created attachment 26255
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26255
pre-processed source of the file that triggers the ICE

commandline to trigger the ICE with the attached file (once decompressed):
g++ -O2 -funswitch-loops -floop-flatten -c caller-save.i

Removing any one of the options, or replacing the O2 with Os, eliminated the
ICE.