[Bug middle-end/83069] New: [8 Regression] internal compiler error: in from_gcov_type, at profile-count.h:676

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83069

            Bug ID: 83069
           Summary: [8 Regression] internal compiler error: in
                    from_gcov_type, at profile-count.h:676
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: hubicka at gcc dot gnu.org
  Target Milestone: ---

On x86-64, r254929 failed to build 416.gamess in SPEC CPU 2006:

gfortran -c -o chgpen.fppized.o -O3 -funroll-loops -ffast-math -ffixed-form
-std=legacy chgpen.fppized.f

during IPA pass: inline
chgpen.fppized.f:847:0:

       SUBROUTINE CGPQUA(POT,CCX,CCY,CCZ,KOUNT,DAO,L2,G)

internal compiler error: in from_gcov_type, at profile-count.h:676
0x689f92 estimate_bb_frequencies(bool)
        ../../src-trunk/gcc/profile-count.h:676
0xd0e3bf rebuild_frequencies()
        ../../src-trunk/gcc/predict.c:3911
0xcf33f4 execute_function_todo
        ../../src-trunk/gcc/passes.c:1975
0xcf3d7e execute_todo
        ../../src-trunk/gcc/passes.c:2048
0x686d97 execute_one_ipa_transform_pass
        ../../src-trunk/gcc/passes.c:2245
0x686d97 execute_all_ipa_transforms()
        ../../src-trunk/gcc/passes.c:2281
0xa3b55a cgraph_node::expand()
        ../../src-trunk/gcc/cgraphunit.c:2132
0xa3c77b expand_all_functions
        ../../src-trunk/gcc/cgraphunit.c:2275
0xa3c77b symbol_table::compile()
        ../../src-trunk/gcc/cgraphunit.c:2623
0xa3ea59 symbol_table::compile()
        ../../src-trunk/gcc/cgraphunit.c:2537
0xa3ea59 symbol_table::finalize_compilation_unit()
        ../../src-trunk/gcc/cgraphunit.c:2716
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