https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95152
Bug ID: 95152 Summary: internal compiler error: in get_or_create_mem_ref, at analyzer/region-model.cc:6938 Product: gcc Version: 10.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: pieter+gcc-bugzilla at plexis dot eu Target Milestone: --- Created attachment 48545 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48545&action=edit The pre-processed source While compiling dnsdist[1] from git with '-fanalyzer', GCC 10.1.0 has an internal compiler error: during IPA pass: analyzer In file included from dnsdist.hh:24, from dnsdist-lua-bindings.cc:23: ext/luawrapper/include/LuaContext.hpp: In lambda function: ext/luawrapper/include/LuaContext.hpp:1241:27: internal compiler error: in get_or_create_mem_ref, at analyzer/region-model.cc:6938 1241 | writeFunction_(*object, value); | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ Please submit a full bug report, with preprocessed source if appropriate. The full commandline is as follows: g++ -DHAVE_CONFIG_H -I. -I. -I. -pthread -I/usr/include/luajit-2.0 -I/usr/include/editline -I./ext/yahttp -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -DNETSNMP_ENABLE_IPV6 -fno-strict-aliasing -DNETSNMP_REMOVE_U64 -march=x86-64 -mtune=generic -O2 -pipe -fno-plt -Ulinux -Dlinux=linux -D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2 -I/usr/lib/perl5/5.30/core_perl/CORE -I/usr/include/libnl3 -D_FORTIFY_SOURCE=2 -I. -I/usr/include -DSYSCONFDIR=\"/usr/local/etc\" -fPIE -DPIE -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 --param ssp-buffer-size=4 -fstack-protector -g -O3 -Wall -Wextra -Wshadow -Wno-unused-parameter -Wmissing-declarations -Wredundant-decls -fanalyzer -MT dnsdist-lua-bindings.o -MD -MP -MF $depbase.Tpo -c -o dnsdist-lua-bindings.o dnsdist-lua-bindings.cc This is a ArchLinux system, where 'g++ -v' shows this: Using built-in specs. COLLECT_GCC=/usr/bin/g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/10.1.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,d --with-isl --with-linker-hash-style=gnu --with-system-zlib --enable-__cxa_atexit --enable-cet=auto --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-linker-build-id --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror gdc_include_dir=/usr/include/dlang/gdc Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.1.0 (GCC) The triggering line is in the LuaWrapper[2], a project that can wrap C++ objects and to Lua. I have attached the pre-processed source. If you need more information, let me know! 1 - https://dnsdist.org 2 - https://github.com/PowerDNS/pdns/blob/134755f54093a595610e035d01a07f125df3ab13/ext/luawrapper/include/LuaContext.hpp#L1241