https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80678
Bug ID: 80678
Summary: g++.dg/cpp1y/constexpr-79681-2.C fails with ICE
starting with r247678
Product: gcc
Version: 6.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
The backported test g++.dg/cpp1y/constexpr-79681-2.C fails with an ICE on
powerpcle:
spawn /home/seurer/gcc/build/gcc-6/gcc/testsuite/g++/../../xg++
-B/home/seurer/gcc/build/gcc-6/gcc/testsuite/g++/../../
/home/seurer/gcc/gcc-6/gcc/testsuite/g++.dg/cpp1y/constexpr-79681-2.C
-fno-diagnostics-show-caret -fdiagnostics-color=never -nostdinc++
-I/home/seurer/gcc/build/gcc-6/powerpc64le-unknown-linux-gnu/libstdc++-v3/include/powerpc64le-unknown-linux-gnu
-I/home/seurer/gcc/build/gcc-6/powerpc64le-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/gcc-6/libstdc++-v3/libsupc++
-I/home/seurer/gcc/gcc-6/libstdc++-v3/include/backward
-I/home/seurer/gcc/gcc-6/libstdc++-v3/testsuite/util -fmessage-length=0
-std=gnu++14 -O2 -S -o constexpr-79681-2.s
/home/seurer/gcc/gcc-6/gcc/testsuite/g++.dg/cpp1y/constexpr-79681-2.C:38:20:
in constexpr expansion of 'foo()'
/home/seurer/gcc/gcc-6/gcc/testsuite/g++.dg/cpp1y/constexpr-79681-2.C:38:26:
internal compiler error: in cxx_eval_bit_field_ref, at cp/constexpr.c:2363
0x1036f2db cxx_eval_bit_field_ref
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:2363
0x1036f2db cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4003
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x103703db cxx_eval_store_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3296
0x1036db3b cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3780
0x1036dddf cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3792
0x1037196b cxx_eval_statement_list
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3504
0x1036db0b cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4129
0x1036dc13 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4184
0x1036c85f cxx_eval_call_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1546
0x1036e5b3 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3702
0x1036929b cxx_eval_outermost_constant_expr
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4292
0x10371d03 maybe_constant_value_1
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4486
0x10371d03 maybe_constant_value(tree_node*, tree_node*)
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4510
0x10356fcb cp_fold
/home/seurer/gcc/gcc-6/gcc/cp/cp-gimplify.c:2261
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.
compiler exited with status 1
output is:
/home/seurer/gcc/gcc-6/gcc/testsuite/g++.dg/cpp1y/constexpr-79681-2.C:38:20:
in constexpr expansion of 'foo()'
/home/seurer/gcc/gcc-6/gcc/testsuite/g++.dg/cpp1y/constexpr-79681-2.C:38:26:
internal compiler error: in cxx_eval_bit_field_ref, at cp/constexpr.c:2363
0x1036f2db cxx_eval_bit_field_ref
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:2363
0x1036f2db cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4003
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x103703db cxx_eval_store_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3296
0x1036db3b cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3780
0x1036dddf cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3792
0x1037196b cxx_eval_statement_list
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3504
0x1036db0b cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4129
0x1036dc13 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4184
0x1036c85f cxx_eval_call_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1546
0x1036e5b3 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3702
0x1036929b cxx_eval_outermost_constant_expr
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4292
0x10371d03 maybe_constant_value_1
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4486
0x10371d03 maybe_constant_value(tree_node*, tree_node*)
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4510
0x10356fcb cp_fold
/home/seurer/gcc/gcc-6/gcc/cp/cp-gimplify.c:2261
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.
FAIL: g++.dg/cpp1y/constexpr-79681-2.C -std=gnu++14 (internal compiler error)
FAIL: g++.dg/cpp1y/constexpr-79681-2.C -std=gnu++14 (test for excess errors)
Excess errors:
/home/seurer/gcc/gcc-6/gcc/testsuite/g++.dg/cpp1y/constexpr-79681-2.C:38:26:
internal compiler error: in cxx_eval_bit_field_ref, at cp/constexpr.c:2363
0x1036f2db cxx_eval_bit_field_ref
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:2363
0x1036f2db cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4003
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x1037091b cxx_eval_binary_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1835
0x1036e553 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3960
0x103703db cxx_eval_store_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3296
0x1036db3b cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3780
0x1036dddf cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3792
0x1037196b cxx_eval_statement_list
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3504
0x1036db0b cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4129
0x1036dc13 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4184
0x1036c85f cxx_eval_call_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:1546
0x1036e5b3 cxx_eval_constant_expression
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:3702
0x1036929b cxx_eval_outermost_constant_expr
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4292
0x10371d03 maybe_constant_value_1
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4486
0x10371d03 maybe_constant_value(tree_node*, tree_node*)
/home/seurer/gcc/gcc-6/gcc/cp/constexpr.c:4510
0x10356fcb cp_fold
/home/seurer/gcc/gcc-6/gcc/cp/cp-gimplify.c:2261
testcase /home/seurer/gcc/gcc-6/gcc/testsuite/g++.dg/dg.exp completed in 2
seconds
=== g++ Summary ===
# of unexpected failures 2
# of unsupported tests 2
