https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88081
Bug ID: 88081
Summary: [7/8/9 Regression] ICE in lto_varpool_replace_node, at
lto/lto-symtab.c:109
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: marxin at gcc dot gnu.org
Target Milestone: ---
Following is causing ICE:
$ cat 1.ii
class a {
public:
virtual ~a();
};
class b {
virtual int c() const noexcept;
};
int b::c() const noexcept { return 0; }
namespace __cxxabiv1 {
class __class_type_info : a {};
} // namespace __cxxabiv1
$ cat 2.ii
class a {
virtual char b();
};
class c {
virtual bool m_fn2() const noexcept;
};
bool c::m_fn2() const noexcept { return true; }
namespace __cxxabiv1 {
class __class_type_info : a {};
} // namespace __cxxabiv1
$ g++ -c -flto 1.ii && g++ -c -flto 2.ii -O3 && g++ [12].o
during IPA pass: pure-const
lto1: internal compiler error: in lto_varpool_replace_node, at
lto/lto-symtab.c:109
0x5b6992 lto_varpool_replace_node
/home/marxin/Programming/gcc/gcc/lto/lto-symtab.c:109
0x79b794 lto_symtab_merge_symbols_1
/home/marxin/Programming/gcc/gcc/lto/lto-symtab.c:916
0x79b794 lto_symtab_merge_symbols()
/home/marxin/Programming/gcc/gcc/lto/lto-symtab.c:973
0x78c82f read_cgraph_and_symbols
/home/marxin/Programming/gcc/gcc/lto/lto.c:3013
0x78c82f lto_main()
/home/marxin/Programming/gcc/gcc/lto/lto.c:3401
