https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97527
--- Comment #5 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- Created attachment 49422 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49422&action=edit Generated gimple-match.c All the temporary files were generated by manually adding -save-temps to the Makefile in the gcc subdirectory, then re-compiling. The error is repeatable. Here's the output of vmstat while the machine is not compiling: gcc220$ vmstat procs memory page disk traps cpu r s avm fre flt re pi po fr sr sd0 int sys cs us sy id 1 60 35M 2616M 6785 0 0 0 0 0 2 87 5296 432 8 2 90