[Bug target/47072] exceptions hang in c++ programs compiled by g++-4.5.2 with -O2

[hbjbb131 at yahoo dot co.jp]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47072

--- Comment #2 from Satoshi Adachi <hbjbb131 at yahoo dot co.jp> 2011-02-26 
20:56:05 UTC ---
Created attachment 23480
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23480
preprocessed file generated by "g++ -O2 -g -Wall -v -save-temps demo.C"