[Bug middle-end/65533] New: [5 Regression] 252.eon in SPEC CPU 2000 failed to build

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65533

            Bug ID: 65533
           Summary: [5 Regression] 252.eon in SPEC CPU 2000 failed to
                    build
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com

On Linux/x86-64, r221604 gave

g++ -c -o ggHMatrix3.o   -DSPEC_CPU2000_LP64 -DHAS_ERRLIST    -I. -DNDEBUG    
-O3 -funroll-loops -ffast-math   ggHMatrix3.cc
ggHMatrix3.cc: In function 'ggHPoint3 operator*(const ggHMatrix3&, const
ggHPoint3&)':
ggHMatrix3.cc:303:11: internal compiler error: in quick_push, at vec.h:867
 ggHPoint3 operator*(const ggHMatrix3 &m, const ggHPoint3 &p) {
           ^
0xedabf3 vec<_slp_tree*, va_heap, vl_embed>::quick_push(_slp_tree* const&)
    ../../src-trunk/gcc/vec.h:867
0xedabf3 vec<_slp_tree*, va_heap, vl_ptr>::quick_push(_slp_tree* const&)
    ../../src-trunk/gcc/vec.h:1525
0xedabf3 vec<_slp_tree*, va_heap, vl_ptr>::safe_push(_slp_tree* const&)
    ../../src-trunk/gcc/vec.h:1538
0xedabf3 vect_build_slp_tree
    ../../src-trunk/gcc/tree-vect-slp.c:955
0xeda6a9 vect_build_slp_tree
    ../../src-trunk/gcc/tree-vect-slp.c:1054
0xeda445 vect_build_slp_tree
    ../../src-trunk/gcc/tree-vect-slp.c:1010
0xedc2bc vect_analyze_slp_instance
    ../../src-trunk/gcc/tree-vect-slp.c:1636
0xedda56 vect_analyze_slp(_loop_vec_info*, _bb_vec_info*, unsigned int)
    ../../src-trunk/gcc/tree-vect-slp.c:1768
0xeddf29 vect_slp_analyze_bb_1
    ../../src-trunk/gcc/tree-vect-slp.c:2300
0xeddf29 vect_slp_analyze_bb(basic_block_def*)
    ../../src-trunk/gcc/tree-vect-slp.c:2421
0xee0332 execute
    ../../src-trunk/gcc/tree-vectorizer.c:657
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