[Bug c++/52464] When I compile my source codes with -O3 option, the compiler fails. This does not occur if I use -O2

["bli at cs dot wisc.edu" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52464

--- Comment #6 from bli at cs dot wisc.edu 2012-03-10 21:43:05 UTC ---
Created attachment 26875
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26875
The attachment is the preprocessed file (*.i*)

Sorry for not reading the rules carefully. The .ii file is attached. 

GCC version 4.5.3

System: cygwin, this bug also occurs in Linux

Options and command line:
g++ -save-temps -Wall -O3 -ffast-math -c -I. parseIt.cpp

Compiler Output:

In file included from parseIt.cpp:9:0:
/usr/lib/gcc/i686-pc-cygwin/4.5.3/include/c++/fstream: In constructor
‘std::basic_ofstream<_CharT, _Traits>::basic_ofstream(const char*,
std::ios_base::openmode) [with _CharT = char, _Traits = std::char_traits<char>,
std::ios_base::openmode = std::_Ios_Openmode]’:
/usr/lib/gcc/i686-pc-cygwin/4.5.3/include/c++/fstream:701:4: internal compiler
error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.