https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93033
zwen7 at binghamton dot edu changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |zwen7 at binghamton dot edu --- Comment #5 from zwen7 at binghamton dot edu --- I am also having the same problem. My code is here: https://github.com/zyddnys/PatchyVideo-autocomplete compile command line: g++ -O3 -std=c++2a -o autocomplete.app autocomplete.cpp compiler is compiled from latest pull from github. In file included from autocomplete.cpp:7: tree.h: In function ‘void AddTag(uint32_t, uint32_t, uint32_t)’: tree.h:151:6: error: incorrect sharing of tree nodes 151 | void AddTag(std::uint32_t id, std::uint32_t count, std::uint32_t category) | ^~~~~~ MEM[(struct Tag *)D.232969] MEM[(struct Tag *)D.232969].count = count; tree.h:151:6: error: incorrect sharing of tree nodes MEM[(struct Tag *)D.232969] MEM[(struct Tag *)D.232969].category = category; tree.h:151:6: error: incorrect sharing of tree nodes MEM[(struct Tag *)D.232969] MEM[(struct Tag *)D.232969].lang_keywords = {}; tree.h:151:6: error: incorrect sharing of tree nodes MEM[(struct Tag *)D.232969] MEM[(struct Tag *)D.232969].alias_keywords = {}; during GIMPLE pass: cfg tree.h:151:6: internal compiler error: verify_gimple failed 0x1013f4a verify_gimple_in_cfg(function*, bool) ../.././gcc/tree-cfg.c:5445 0xefad8f execute_function_todo ../.././gcc/passes.c:1983 0xefbbcc do_per_function ../.././gcc/passes.c:1638 0xefbbcc execute_todo ../.././gcc/passes.c:2037 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. gcc -v: sing built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-pc-linux-gnu/10.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ./configure --with-pkgversion=somegcc --disable-multilib --enable-languages=c,c++,lto --disable-bootstrap : (reconfigured) ./configure --with-pkgversion=somegcc --disable-multilib --enable-languages=c,c++,lto --disable-bootstrap : (reconfigured) ./configure --with-pkgversion=patchygcc --disable-multilib --enable-languages=c,c++,lto --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 10.0.0 20191223 (experimental) (somegcc)