leezu opened a new issue #18460: URL: https://github.com/apache/incubator-mxnet/issues/18460
## Description Sometimes compilation on CI fails due to compiler bugs. ``` [2020-06-01T20:07:22.772Z] /usr/local/bin/ccache /usr/bin/g++-7 -DDMLC_CORE_USE_CMAKE -DDMLC_LOG_FATAL_THROW=1 -DDMLC_LOG_STACK_TRACE_SIZE=0 -DDMLC_MODERN_THREAD_LOCAL=0 -DDMLC_STRICT_CXX11 -DDMLC_USE_CXX11 -DDMLC_USE_CXX11=1 -DDMLC_USE_CXX14 -DMSHADOW_INT64_TENSOR_SIZE=0 -DMSHADOW_IN_CXX11 -DMSHADOW_USE_CBLAS=0 -DMSHADOW_USE_CUDA=0 -DMSHADOW_USE_MKL=1 -DMSHADOW_USE_SSE -DMXNET_USE_BLAS_MKL=1 -DMXNET_USE_LAPACK=1 -DMXNET_USE_LIBJPEG_TURBO=0 -DMXNET_USE_OPENCV=1 -DMXNET_USE_OPENMP=1 -DMXNET_USE_OPERATOR_TUNING=1 -DMXNET_USE_SIGNAL_HANDLER=1 -DMXNET_USE_TVM_OP=1 -D__USE_XOPEN2K8 -Dmxnet_EXPORTS -I/work/mxnet/include -I/work/mxnet/src -I/work/mxnet/3rdparty/nvidia_cub -I/work/mxnet/3rdparty/tvm/nnvm/include -I/work/mxnet/3rdparty/tvm/include -I/work/mxnet/3rdparty/dmlc-core/include -I/work/mxnet/3rdparty/dlpack/include -I/work/mxnet/3rdparty/mshadow -I3rdparty/dmlc-core/include -isystem /opt/intel/mkl/include -isystem /usr/include/opencv -D_GLIBCXX_ASSERTIONS -Wall -Wno-sign-compare -O3 -g -fopenmp -O2 -g -DNDEBUG -fPIC -Werror -Wno-error=unused-variable --coverage -Wno-unused-parameter -Wno-unknown-pragmas -Wno-unused-local-typedefs -msse3 -mf16c -std=gnu++1z -MD -MT CMakeFiles/mxnet.dir/src/operator/instance_norm.cc.o -MF CMakeFiles/mxnet.dir/src/operator/instance_norm.cc.o.d -o CMakeFiles/mxnet.dir/src/operator/instance_norm.cc.o -c /work/mxnet/src/operator/instance_norm.cc [2020-06-01T20:07:22.772Z] /tmp/ccT4hWrG.s: Assembler messages: [2020-06-01T20:07:22.772Z] /tmp/ccT4hWrG.s:566393: Internal error in stringer at ../../gas/read.c:5521. [2020-06-01T20:07:22.772Z] Please report this bug. ``` http://jenkins.mxnet-ci.amazon-ml.com/blue/organizations/jenkins/mxnet-validation%2Funix-cpu/detail/PR-18455/1/pipeline/ We may reduce the number of occurrences by switching to a compiler version with stable c++17 support on the unix tests (and only test gcc7 on centos tests) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
