https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61623
Bug ID: 61623
Summary: [4.10 Regression] ICE: verify_symtab failed: Two
symbols with same comdat_group are not linked by the
same_comdat_group list.
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Created attachment 33012
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33012&action=edit
reduced testcase
Compiler output:
$ gcc -Os testcase.C
testcase.C:7:8: error: Two symbols with same comdat_group are not linked by the
same_comdat_group list.
A a (0);
^
_ZN1AC1Ei/8 (A::A(int)) @0x7f200bc92170
Type: function definition analyzed
Visibility: externally_visible public weak comdat comdat_group:_ZN1AC5Ei
one_only
Same comdat group as: _ZN1AC2Ei/7
References:
Referring:
Availability: available
First run: 0
Function flags: body
Called by: _Z41__static_initialization_and_destruction_0ii/19 (0.07 per call)
Calls: _ZN1AC4Ei.isra.0/31 (1.00 per call)
_ZN1AC1Ei/8 (A::A(int)) @0x7f200bc92170
Type: function definition analyzed
Visibility: externally_visible public weak comdat comdat_group:_ZN1AC5Ei
one_only
Same comdat group as: _ZN1AC2Ei/7
References:
Referring:
Availability: available
First run: 0
Function flags: body
Called by: _Z41__static_initialization_and_destruction_0ii/19 (0.07 per call)
Calls: _ZN1AC4Ei.isra.0/31 (1.00 per call)
testcase.C:7:8: internal compiler error: verify_symtab failed
0x9407e6 verify_symtab()
/mnt/svn/gcc-trunk/gcc/symtab.c:1192
0xb45040 symtab_remove_unreachable_nodes(bool, _IO_FILE*)
/mnt/svn/gcc-trunk/gcc/ipa.c:591
0x94e93b ipa_passes
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:2064
0x94e93b compile()
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:2186
0x94f3d4 finalize_compilation_unit()
/mnt/svn/gcc-trunk/gcc/cgraphunit.c:2341
0x72860e cp_write_global_declarations()
/mnt/svn/gcc-trunk/gcc/cp/decl2.c:4647
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:
r212007 - ICE
4_9 r211338 - OK
