https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63934
Bug ID: 63934
Summary: [C++] internal compiler error: in adjust_temp_type, at
cp/constexpr.c:1020
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: vries at gcc dot gnu.org
During a gcc arm build, I run into:
...
In file included from
/home/vries/local/arm2/src/gcc-mainline/libstdc++-v3/src/c++11/chrono.cc:26:0:
/home/vries/local/arm2/obj/gcc-mainline-0-arm-none-eabi-i686-pc-linux-gnu/arm-none-eabi/libstdc++-v3/include/chrono:723:49:
in constexpr expansion \
of 'std::chrono::duration<_Rep, _Period>::min<long long int, std::ratio<1ll,
1000000000ll> >()'
/home/vries/local/arm2/obj/gcc-mainline-0-arm-none-eabi-i686-pc-linux-gnu/arm-none-eabi/libstdc++-v3/include/chrono:725:66:
in constexpr expansion \
of 'std::chrono::duration<long long int, std::ratio<1ll, 1000000000ll> >((* &
std::chrono::duration_values<_Rep>::min<long long int>()))'
/home/vries/local/arm2/obj/gcc-mainline-0-arm-none-eabi-i686-pc-linux-gnu/arm-none-eabi/libstdc++-v3/include/chrono:725:66:
internal compiler error: \
in adjust_temp_type, at cp/constexpr.c:1020
"a clock's minimum duration cannot be less than its epoch");
^
0x8548ac0 adjust_temp_type
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:1020
0x854a410 cxx_eval_call_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:1377
0x8550247 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2835
0x8550902 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2895
0x854f4ae cxx_eval_store_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2529
0x855098b cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2914
0x8550a5f cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2926
0x8550ad0 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2940
0x8549fe6 cxx_eval_call_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:1329
0x8550247 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2835
0x8550902 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2895
0x8550b78 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2958
0x8551337 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:3147
0x8551337 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:3147
0x8548df3 cxx_bind_parameters_in_call
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:1072
0x854996e cxx_eval_call_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:1235
0x8550247 cxx_eval_constant_expression
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:2835
0x8551e9f cxx_eval_outermost_constant_expr
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:3314
0x85526bf maybe_constant_value(tree_node*, tree_node*)
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:3427
0x84c3418 finish_static_assert(tree_node*, tree_node*, unsigned int, bool)
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/semantics.c:7046
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.
make[5]: *** [chrono.lo] Error 1
...
With gdb, we can see the type and temp arguments:
...
(gdb)
#5 0x08548ac1 in adjust_temp_type (type=0xf7b883c0, temp=0xf77faa50) at
/home/vries/local/arm2/src/gcc-mainline/gcc/cp/constexpr.c:1020
1020 gcc_assert (scalarish_type_p (type));
(gdb) call debug_generic_expr (type)
struct duration
(gdb) call debug_generic_expr (temp)
(struct duration * const) &D.10458
...
