https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92139
Bug ID: 92139
Summary: Segmentation fault on constraints verification
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: mateusz.pusz at gmail dot com
Target Milestone: ---
While trying to compile preprocessed file from the attachment the compiler
crashes with the following stack trace:
[build] /usr/local/gcc-10/bin/g++-10 -I../../src/include -isystem
/home/mpusz/.conan/data/range-v3/0.9.1/ericniebler/stable/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include
-isystem
/home/mpusz/.conan/data/fmt/6.0.0/_/_/package/1291f461f6832a5b3098e2156f727f267fd98612/include
-Wall -Wextra -Wformat=2 -pedantic -Wshadow -Wunused -Wnon-virtual-dtor
-Woverloaded-virtual -Wold-style-cast -Wcast-qual -Wcast-align -Wlogical-op
-Wuseless-cast -Wduplicated-cond -Wduplicated-branches -Wnull-dereference
-Werror -g -fconcepts -Wno-literal-suffix -Wno-non-template-friend
-Wno-pedantic -std=gnu++2a -MD -MT
test/unit_test/static/CMakeFiles/unit_tests_static.dir/quantity_test.cpp.o -MF
test/unit_test/static/CMakeFiles/unit_tests_static.dir/quantity_test.cpp.o.d -o
test/unit_test/static/CMakeFiles/unit_tests_static.dir/quantity_test.cpp.o -c
../../test/unit_test/static/quantity_test.cpp
[build] In file included from ../../src/include/units/dimensions/length.h:26,
[build] from ../../src/include/units/dimensions/velocity.h:25,
[build] from ../../test/unit_test/static/quantity_test.cpp:23:
[build] ../../src/include/units/quantity.h: In constructor ‘constexpr
units::quantity<U, Rep>::quantity(const Q2&) [with Q2 =
units::quantity<units::metre, int>; U = units::metre; Rep = int]’:
[build] ../../src/include/units/quantity.h:206:18: internal compiler error:
Segmentation fault
[build] 206 | requires same_dim<dimension, typename Q2::dimension> &&
[build] | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[build] 0xba89ff crash_signal
[build] ../../gcc_trunk/gcc/toplev.c:326
[build] 0x70a11d tsubst(tree_node*, tree_node*, int, tree_node*)
[build] ../../gcc_trunk/gcc/cp/pt.c:14896
[build] 0x714626 tsubst_template_args(tree_node*, tree_node*, int, tree_node*)
[build] ../../gcc_trunk/gcc/cp/pt.c:12917
[build] 0x70b157 tsubst(tree_node*, tree_node*, int, tree_node*)
[build] ../../gcc_trunk/gcc/cp/pt.c:14772
[build] 0x714626 tsubst_template_args(tree_node*, tree_node*, int, tree_node*)
[build] ../../gcc_trunk/gcc/cp/pt.c:12917
[build] 0x707592 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*,
bool, bool)
[build] ../../gcc_trunk/gcc/cp/pt.c:18697
[build] 0x70e5f6 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*,
bool, bool)
[build] ../../gcc_trunk/gcc/cp/pt.c:18630
[build] 0x70e5f6 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
[build] ../../gcc_trunk/gcc/cp/pt.c:18288
[build] 0x644a19 satisfy_atom
[build] ../../gcc_trunk/gcc/cp/constraint.cc:2343
[build] 0x6450d2 satisfy_conjunction
[build] ../../gcc_trunk/gcc/cp/constraint.cc:2403
[build] 0x6450f4 satisfy_conjunction
[build] ../../gcc_trunk/gcc/cp/constraint.cc:2399
[build] 0x64521d satisfy_constraint
[build] ../../gcc_trunk/gcc/cp/constraint.cc:2427
[build] 0x645533 satisfy_associated_constraints
[build] ../../gcc_trunk/gcc/cp/constraint.cc:2445
[build] 0x645533 constraints_satisfied_p
[build] ../../gcc_trunk/gcc/cp/constraint.cc:2529
[build] 0x61646a add_function_candidate
[build] ../../gcc_trunk/gcc/cp/call.c:2262
[build] 0x6187ed add_template_candidate_real
[build] ../../gcc_trunk/gcc/cp/call.c:3399
[build] 0x618d14 add_template_candidate
[build] ../../gcc_trunk/gcc/cp/call.c:3440
[build] 0x618d14 add_candidates
[build] ../../gcc_trunk/gcc/cp/call.c:5748
[build] 0x61bbca add_candidates
[build] ../../gcc_trunk/gcc/cp/call.c:5672
[build] 0x61bbca build_new_method_call_1
[build] ../../gcc_trunk/gcc/cp/call.c:9812
[build] Please submit a full bug report,
[build] with preprocessed source if appropriate.
[build] Please include the complete backtrace with any bug report.
[build] See <https://gcc.gnu.org/bugs/> for instructions.
