[Bug lto/47870] New: internal compiler error: in get_alias_set, at alias.c:716

[d.g.gorbachev at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47870

           Summary: internal compiler error: in get_alias_set, at
                    alias.c:716
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: d.g.gorbachev@gmail.com


Created attachment 23445
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23445
Backtrace

Target: i686-pc-linux-gnu
Configured with: ../gcc-4.6/configure --enable-languages=c,c++
--enable-version-specific-runtime-libs --disable-nls --disable-shared
--disable-bootstrap
Thread model: posix
gcc version 4.6.0 20110219 (experimental) (GCC)

It happens when building GCC with -flto -O3 -march=pentium4 options:

In file included from :111:0:
varasm.c: In function 'initializer_constant_valid_p_1':
varasm.c:4112:1: internal compiler error: in get_alias_set, at alias.c:716