https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98057
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |10.2.0
Known to fail| |11.0
Summary|ICE when build clang |[11 Regression] ICE
| |verify_cgraph_node failed
| |since
| |r11-4900-g4656461585bfd0b9
Target Milestone|--- |11.0
Priority|P3 |P1
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Reduced test-case:
$ cat mm.ii
class JITSymbolResolver {
virtual void anchor();
};
class MemoryManager {
virtual void anchor();
};
class MCJITMemoryManager : MemoryManager {
void anchor();
};
class RTDyldMemoryManager : MCJITMemoryManager, JITSymbolResolver {
void anchor();
};
void RTDyldMemoryManager::anchor() {}
void MCJITMemoryManager::anchor() {}
$ g++ mm.ii -O3 -ffunction-sections -c
mm.ii:14:36: error: implicit_section flag is set but section isn’t
14 | void MCJITMemoryManager::anchor() {}
| ^
*.LTHUNK0/1 (void RTDyldMemoryManager::*.LTHUNK0()) @0x7ffff7742440
Type: function definition analyzed alias cpp_implicit_alias
Visibility: prevailing_def_ironly (implicit_section) artificial
References: _ZN18MCJITMemoryManager6anchorEv/3 (alias)
Referring:
Availability: available
Function flags:
Called by: _ZThn8_N19RTDyldMemoryManager6anchorEv/2 (can throw external)
Calls:
during IPA pass: icf
mm.ii:14:36: internal compiler error: verify_cgraph_node failed
0xc05900 cgraph_node::verify_node()
/home/marxin/Programming/gcc/gcc/cgraph.c:3807
0xbf5974 symtab_node::verify()
/home/marxin/Programming/gcc/gcc/symtab.c:1356
0xbf6b3e symtab_node::verify_symtab_nodes()
/home/marxin/Programming/gcc/gcc/symtab.c:1384
0xe6dd86 symtab_node::checking_verify_symtab_nodes()
/home/marxin/Programming/gcc/gcc/cgraph.h:675
0xe6dd86 symbol_table::remove_unreachable_nodes(_IO_FILE*)
/home/marxin/Programming/gcc/gcc/ipa.c:679
0xf72e99 execute_todo
/home/marxin/Programming/gcc/gcc/passes.c:2107
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
I'm gonna fix it.
