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

[skpgkp1 at gmail dot com]

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

Sunil Pandey <skpgkp1 at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |skpgkp1 at gmail dot com

--- Comment #10 from Sunil Pandey <skpgkp1 at gmail dot com> ---
Seems like I hit the same bug while compiling mariadb with GCC8.

$cat CMap.i.cc
void a() {
  int b = 0;
  for (; b < 256; ++b)
    a();
}

$g++ --version
g++ (GCC) 8.0.0 20171127 (experimental)
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$g++ -O3  -o CMap.i.cc.o -c CMap.i.cc
during IPA pass: inline
CMap.i.cc: In function ‘void a()’:
CMap.i.cc:1:6: internal compiler error: in from_gcov_type, at
profile-count.h:676
 void a() {
      ^
0x712c42 estimate_bb_frequencies(bool)
        ../../gcc-main.3O1J/gcc/profile-count.h:676
0xe73137 rebuild_frequencies()
        ../../gcc-main.3O1J/gcc/predict.c:3911
0xe59904 execute_function_todo
        ../../gcc-main.3O1J/gcc/passes.c:1975
0xe5a28e execute_todo
        ../../gcc-main.3O1J/gcc/passes.c:2048
0x70fc43 execute_one_ipa_transform_pass
        ../../gcc-main.3O1J/gcc/passes.c:2245
0x70fc43 execute_all_ipa_transforms()
        ../../gcc-main.3O1J/gcc/passes.c:2281
0xba1a8a cgraph_node::expand()
        ../../gcc-main.3O1J/gcc/cgraphunit.c:2132
0xba2cab expand_all_functions
        ../../gcc-main.3O1J/gcc/cgraphunit.c:2275
0xba2cab symbol_table::compile()
        ../../gcc-main.3O1J/gcc/cgraphunit.c:2623
0xba4fc9 symbol_table::compile()
        ../../gcc-main.3O1J/gcc/cgraphunit.c:2537
0xba4fc9 symbol_table::finalize_compilation_unit()
        ../../gcc-main.3O1J/gcc/cgraphunit.c:2716
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