[Bug c++/32950] New: -O1 and -O2 options cause internal compiler error

["Max dot Moorkamp at gmx dot net" <gcc-bugzilla at gcc dot gnu dot org>]

Hi,

the -O1 and -O2 options cause an internal compiler error in my newly compiled
g++ 4.2.1. Omitting this option compiles without any apparent problems and the
ubuntu 06/10 g++, i.e. gcc version 4.1.2 20060928 (prerelease) (Ubuntu
4.1.1-13ubuntu5), also compiles it fine, with and without the -O2 or -O1.
I still have the old g++ installed in the standard location.

Here is the output of gcc -v

Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v
--enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr
--enable-shared --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix --enable-nls
--program-suffix=-4.1 --enable-__cxa_atexit --enable-clocale=gnu
--enable-libstdcxx-debug --enable-mpfr --enable-checking=release i486-linux-gnu
Thread model: posix
gcc version 4.1.2 20060928 (prerelease) (Ubuntu 4.1.1-13ubuntu5)

my command line was

/opt/gcc4.2.1/bin/g++-4.2 -O2 -c -save-temps bug2.cpp

and produced this output

bug2.cpp: In function ?int main()?:
bug2.cpp:16: internal compiler error: in convert_move, at expr.c:363
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: -O1 and -O2 options cause internal compiler error
           Product: gcc
           Version: 4.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: Max dot Moorkamp at gmx dot net
 GCC build triplet: i486-linux-gnu
  GCC host triplet: i486-linux-gnu
GCC target triplet: i486-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32950