https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70037
--- Comment #1 from Ville Voutilainen <ville.voutilainen at gmail dot com> ---
The trace:
error: Two symbols with same comdat_group are not linked by the
same_comdat_group list.
"tuple<> is eligible for EBO" );
^
_ZNSt5tupleIJS_IJS_IJEEEEEEC1Ev/300 (constexpr std::tuple<
<template-parameter-1-1> >::tuple() requires
predicate((#‘unary_right_fold_expr’ not supported by expression#) &&
!(#‘unary_right_fold_expr’ not supported by expression#)) [with _Elements =
{std::tuple<std::tuple<> >}]) @0x7f2d3fd8d8a0
Type: function definition analyzed alias cpp_implicit_alias
Visibility: forced_by_abi public weak
comdat_group:_ZNSt5tupleIJS_IJS_IJEEEEEEC2Ev one_only visibility_specified
Same comdat group as: _ZNSt5tupleIJS_IJS_IJEEEEEEC2Ev/299
previous sharing asm name: 291
References: _ZNSt5tupleIJS_IJS_IJEEEEEEC2Ev/299 (alias)
Referring:
First run: 0
Function flags:
Called by:
Calls:
_ZNSt5tupleIJS_IJS_IJEEEEEEC1Ev/291 (constexpr std::tuple<
<template-parameter-1-1> >::tuple() requires
predicate((#‘unary_right_fold_expr’ not supported by expression#) &&
(#‘unary_right_fold_expr’ not supported by expression#)) [with _Elements =
{std::tuple<std::tuple<> >}]) @0x7f2d400c2cf0
Type: function definition analyzed alias cpp_implicit_alias
Visibility: forced_by_abi public weak
comdat_group:_ZNSt5tupleIJS_IJS_IJEEEEEEC2Ev one_only visibility_specified
Same comdat group as: _ZNSt5tupleIJS_IJS_IJEEEEEEC2Ev/290
next sharing asm name: 300
References: _ZNSt5tupleIJS_IJS_IJEEEEEEC2Ev/290 (alias)
Referring:
First run: 0
Function flags:
Called by:
Calls:
/home/ville/gcc-git/gcc/libstdc++-v3/testsuite/20_util/tuple/53648.cc:43:47:
internal compiler error: symtab_node::verify failed
0x941719 symtab_node::verify_symtab_nodes()
../../gcc/symtab.c:1219
0x953c1b symtab_node::checking_verify_symtab_nodes()
../../gcc/cgraph.h:602
0x953c1b symbol_table::compile()
../../gcc/cgraphunit.c:2380
0x9561a2 symbol_table::compile()
../../gcc/cgraphunit.c:2536
0x9561a2 symbol_table::finalize_compilation_unit()
../../gcc/cgraphunit.c:2562
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.
