I'm running on Ubuntu 14.04, 32 bit.
I have a custom g++ 10.1.0 as g++-10 installed in /usr/local, built from
source with no modifications or customizations
I cloned from master (commit 96936a7446164424d8f3f50430d83ee21f63f6a2), and
ran `autoreconf -fi`, then `./configure --without-openssl --with-pic
LDFLAGS='-L/usr/local/lib -Wl,-rpath,/usr/local/lib'
CXX=/usr/local/bin/g++-10`, followed by `make`, and `make check`.
`VERBOSE=1 make check` fails with (truncated to show interesting stuff):
[ TEST ] kj/async-test.c++:860: start a fiber
[ PASS ] kj/async-test.c++:860: start a fiber (112 μs)
[ TEST ] kj/async-test.c++:881: fiber promise chaining
[ PASS ] kj/async-test.c++:881: fiber promise chaining (9 μs)
[ TEST ] kj/async-test.c++:904: throw from a fiber
/bin/bash: line 5: 22656 Segmentation fault (core dumped) ${dir}$tst
FAIL: capnp-test
Randomly testing backwards-compatibility scenarios with seed: 1604520183
PASS: capnp-evolution-test
PASS: src/capnp/compiler/capnp-test.sh
===========================================
1 of 3 tests failed
Please report to [email protected]
===========================================
Running `libtool --mode=execute gdb ./capnp-test`, and getting a backtrace
at the time of the segfault gives the following:
#0 0xb793d71e in x86_fallback_frame_state (context=<optimized out>,
context=<optimized out>, fs=0xb57565b0)
at ./md-unwind-support.h:132
#1 uw_frame_state_for () at ../../../gcc-10.1.0/libgcc/unwind-dw2.c:1271
#2 0xb793ecb1 in _Unwind_Backtrace () at
../../../gcc-10.1.0/libgcc/unwind.inc:302
#3 0xb7876d75 in __GI___backtrace (array=0xb5756720, size=34) at
../sysdeps/i386/backtrace.c:126
#4 0xb7bb098a in kj::getStackTrace(kj::ArrayPtr<void*>, unsigned int) ()
from /home/build/capnproto/c++/.libs/libkj-0.9-dev.so
#5 0xb7bb0b39 in kj::Exception::extendTrace(unsigned int) () from
/home/build/capnproto/c++/.libs/libkj-0.9-dev.so
#6 0xb7bb0c62 in kj::throwRecoverableException(kj::Exception&&, unsigned
int) ()
from /home/build/capnproto/c++/.libs/libkj-0.9-dev.so
#7 0x0820011c in kj::Promise<void>::wait(kj::WaitScope&) ()
#8 0x081e1620 in kj::_::Fiber<kj::(anonymous
namespace)::TestCase904::run()::{lambda(kj::WaitScope&)#1}>::runImpl(kj::WaitScope&)
()
#9 0xb7c36203 in
kj::_::RunnableImpl<kj::_::FiberBase::run()::{lambda()#2}>::run() ()
from /home/build/capnproto/c++/.libs/libkj-async-0.9-dev.so
#10 0xb7bb0ed2 in kj::_::runCatchingExceptions(kj::_::Runnable&) ()
from /home/build/capnproto/c++/.libs/libkj-0.9-dev.so
#11 0xb7c3b9de in kj::_::FiberBase::run() () from
/home/build/capnproto/c++/.libs/libkj-async-0.9-dev.so
#12 0xb7c3bdf7 in kj::_::FiberStack::run() () from
/home/build/capnproto/c++/.libs/libkj-async-0.9-dev.so
#13 0xb7c42c09 in kj::_::FiberStack::StartRoutine::run(int, int) ()
from /home/build/capnproto/c++/.libs/libkj-async-0.9-dev.so
#14 0xb77bbdeb in makecontext () at
../sysdeps/unix/sysv/linux/i386/makecontext.S:87
#15 0x00008c48 in ?? ()
#16 0x00000862 in ?? ()
#17 0x00000000 in ?? ()
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