[Bug c++/57000] New: 4.8 Regression?, ICE with -Ofast and -frounding-math

["vladimir.fuka at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57000

             Bug #: 57000
           Summary: 4.8 Regression?, ICE with -Ofast and -frounding-math
    Classification: Unclassified
           Product: gcc
           Version: 4.8.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: vladimir.fuka@gmail.com


The attached source file produces ICE for compilation command

g++ -c  -Ofast -frounding-math -std=c++11 polyhedron-preprocessed.cc -v         
Using built-in specs.                                                           
COLLECT_GCC=g++                                                                 
Target: x86_64-unknown-linux-gnu                                                
Configured with: ../gcc-4.8-20130411/configure --enable-languages=fortran
--prefix=/usr/local/gcc-4.8                                                     
Thread model: posix                                                             
gcc version 4.8.1 20130411 (prerelease) (GCC)                                   
COLLECT_GCC_OPTIONS='-c' '-Ofast' '-frounding-math' '-std=c++11' '-v'
'-shared-libgcc' '-mtune=generic' '-march=x86-64'                               
 /usr/local/gcc-4.8/libexec/gcc/x86_64-unknown-linux-gnu/4.8.1/cc1plus -quiet
-v -D_GNU_SOURCE polyhedron-preprocessed.cc -quiet -dumpbase
polyhedron-preprocessed.cc -mtune=generic -march=x86-64 -auxbase
polyhedron-preprocessed -Ofast -std=c++11 -version -frounding-math -o
/tmp/ccDOqrHe.s                               
GNU C++ (GCC) version 4.8.1 20130411 (prerelease) (x86_64-unknown-linux-gnu)    
        compiled by GNU C version 4.8.1 20130411 (prerelease), GMP version
4.3.1, MPFR version 2.4.1-p5, MPC version 0.8.1                                 
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072      
ignoring nonexistent directory
"/usr/local/gcc-4.8/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../x86_64-unknown-linux-gnu/include" 
#include "..." search starts here:                                              
#include <...> search starts here:                                              

/usr/local/gcc-4.8/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../include/c++/4.8.1 

/usr/local/gcc-4.8/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../include/c++/4.8.1/x86_64-unknown-linux-gnu 

/usr/local/gcc-4.8/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/../../../../include/c++/4.8.1/backward 
 /usr/local/gcc-4.8/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/include              
 /usr/local/include                                                             
 /usr/local/gcc-4.8/include                                                     
 /usr/local/gcc-4.8/lib/gcc/x86_64-unknown-linux-gnu/4.8.1/include-fixed        
 /usr/include                                                                   
End of search list.                                                             
GNU C++ (GCC) version 4.8.1 20130411 (prerelease) (x86_64-unknown-linux-gnu)    
        compiled by GNU C version 4.8.1 20130411 (prerelease), GMP version
4.3.1, MPFR version 2.4.1-p5, MPC version 0.8.1                                 
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072      
Compiler executable checksum: 56fe9a649d5acfd8c75015f1b8b7dca4                  
In file included from /usr/local/include/CGAL/AABB_tree.h:26:0,                 
                 from cgal_polyhedra.cc:2:                                      
/usr/local/include/CGAL/internal/AABB_tree/AABB_traversal_traits.h: In member
function âvoid
CGAL::internal::AABB_tree::Projection_traits<AABBTraits>::intersection(const
Point&, const Primitive&) [with AABBTraits =
CGAL::AABB_traits<CGAL::Simple_cartesian<double>,
CGAL::AABB_polyhedron_triangle_primitive<CGAL::Simple_cartesian<double>,
CGAL::Polyhedron_3<CGAL::Simple_cartesian<double> > > >;
CGAL::internal::AABB_tree::Projection_traits<AABBTraits>::Point =
CGAL::Point_3<CGAL::Simple_cartesian<double> >;
CGAL::internal::AABB_tree::Projection_traits<AABBTraits>::Primitive =
CGAL::AABB_polyhedron_triangle_primitive<CGAL::Simple_cartesian<double>,
CGAL::Polyhedron_3<CGAL::Simple_cartesian<double> > >]â:
/usr/local/include/CGAL/internal/AABB_tree/AABB_traversal_traits.h:299:8:
internal compiler error: NeoprÃvnÄnà pÅÃstup do pamÄti (SIGSEGV)
   void intersection(const Point& query, const Primitive& primitive)
        ^
0x8b40bf crash_signal
        ../../gcc-4.8-20130411/gcc/toplev.c:332
0x92c8b2 gimple_code
        ../../gcc-4.8-20130411/gcc/gimple.h:1149
0x92c8b2 gimple_nop_p
        ../../gcc-4.8-20130411/gcc/gimple.h:4875
0x92c8b2 walk_aliased_vdefs_1
        ../../gcc-4.8-20130411/gcc/tree-ssa-alias.c:2202
0x92d32d walk_aliased_vdefs(ao_ref_s*, tree_node*, bool (*)(ao_ref_s*,
tree_node*, void*), void*, bitmap_head_def**)
        ../../gcc-4.8-20130411/gcc/tree-ssa-alias.c:2238
0x93bdfb propagate_necessity
        ../../gcc-4.8-20130411/gcc/tree-ssa-dce.c:908
0x93cb14 perform_tree_ssa_dce
        ../../gcc-4.8-20130411/gcc/tree-ssa-dce.c:1583
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.





It works on another machine with GCC 4.7.2.