https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67862
Bug ID: 67862
Summary: [concepts] ICE in tsubst, at cp/pt.c:12625
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ryan.burn at gmail dot com
Target Milestone: ---
Created attachment 36447
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36447&action=edit
preprocessed code
the attached code gives this trace:
rnburn@localhost ~/bugs/tsubst_ice $ c++17 tsubst_ice.cpp
In file included from
/home/rnburn/proj/echo/numeric_array/unittest/map.cpp:1:0:
/home/rnburn/proj/echo/numeric_array/include/echo/numeric_array/map.h: In
function ‘void ____C_A_T_C_H____T_E_S_T____8()’:
/home/rnburn/proj/echo/numeric_array/include/echo/numeric_array/map.h:22:16:
internal compiler error: in tsubst, at cp/pt.c:12625
requires and_(cpt_FlatEvaluator<Evaluators>()...)
^
0x66475d tsubst(tree_node*, tree_node*, int, tree_node*)
../../gcc/gcc/cp/pt.c:12625
0x826520 tsubst_compound_requirement
../../gcc/gcc/cp/constraint.cc:1538
0x826520 tsubst_requirement
../../gcc/gcc/cp/constraint.cc:1566
0x826520 tsubst_requirement_body
../../gcc/gcc/cp/constraint.cc:1585
0x826520 tsubst_requires_expr(tree_node*, tree_node*, int, tree_node*)
../../gcc/gcc/cp/constraint.cc:1616
0x67f312 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
../../gcc/gcc/cp/pt.c:16396
0x66aad1 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:15044
0x67a6db gen_elem_of_pack_expansion_instantiation
../../gcc/gcc/cp/pt.c:10496
0x67a6db tsubst_pack_expansion(tree_node*, tree_node*, int, tree_node*)
../../gcc/gcc/cp/pt.c:10700
0x680e4f tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
../../gcc/gcc/cp/pt.c:15733
0x66aad1 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:15044
0x823207 satisfy_predicate_constraint
../../gcc/gcc/cp/constraint.cc:1694
0x823207 satisfy_constraint_1
../../gcc/gcc/cp/constraint.cc:1898
0x823f76 satisfy_constraint
../../gcc/gcc/cp/constraint.cc:1949
0x8240da constraints_satisfied_p(tree_node*)
../../gcc/gcc/cp/constraint.cc:2056
0x5ff57d add_function_candidate
../../gcc/gcc/cp/call.c:1995
0x6007b9 add_template_candidate_real
../../gcc/gcc/cp/call.c:3118
0x600e8c add_template_candidate
../../gcc/gcc/cp/call.c:3160
0x600e8c add_candidates
../../gcc/gcc/cp/call.c:5316
0x603503 perform_overload_resolution
../../gcc/gcc/cp/call.c:4012
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.
