https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64988
Bug ID: 64988
Summary: [5 Regression] ICE: verify_cgraph_node failed: Alias
and target's comdat groups differs with
-fdeclone-ctor-dtor
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Created attachment 34708
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34708&action=edit
reduced testcase
Compiler output:
$ gcc -O -fdeclone-ctor-dtor testcase.C
testcase.C:10:4: error: Alias and target's comdat groups differs
D d;
^
_ZN1DD0Ev/36 (virtual D::~D()) @0x7fc5f0160000
Type: function definition analyzed
Visibility: externally_visible public weak comdat comdat_group:_ZN1DD5Ev
one_only section:.text._ZN1DD0Ev (implicit_section) virtual artificial
Address is taken.
References:
Referring: *.LTHUNK7/43 (alias)_ZTV1D/29 (addr)
Availability: available
First run: 0
Function flags: body
Called by:
Calls: _ZdlPv/59 (1.00 per call) _ZN1DD1Ev/79 (inlined) (1.00 per call) (can
throw external)
*.LTHUNK7/43 (virtual void *.LTHUNK7()) @0x7fc5f0160ab8
Type: function definition analyzed alias cpp_implicit_alias
Visibility: prevailing_def_ironly section:.text._ZN1DD0Ev (implicit_section)
virtual artificial
References: _ZN1DD0Ev/36 (alias)
Referring:
Availability: available
First run: 0
Function flags:
Called by: _ZThn8_N1DD0Ev/44 (1.00 per call)
Calls:
testcase.C:10:4: internal compiler error: verify_cgraph_node failed
0x9e3afd cgraph_node::verify_node()
/mnt/svn/gcc-trunk/gcc/cgraph.c:3100
0x9d8997 symtab_node::verify()
/mnt/svn/gcc-trunk/gcc/symtab.c:1161
0x9d9c27 symtab_node::verify_symtab_nodes()
/mnt/svn/gcc-trunk/gcc/symtab.c:1181
0xc1cd48 symbol_table::remove_unreachable_nodes(_IO_FILE*)
/mnt/svn/gcc-trunk/gcc/ipa.c:674
0x183c7be ipa_inline
/mnt/svn/gcc-trunk/gcc/ipa-inline.c:2307
0x183c7be execute
/mnt/svn/gcc-trunk/gcc/ipa-inline.c:2693
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
r220527 - ICE
4_9 r219040 - OK
