https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110883
Bug ID: 110883 Summary: internal compiler error: in ipa_profile_write_edge_summary Product: gcc Version: og10 (devel/omp/gcc-10) Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: hndxvon at 163 dot com Target Milestone: --- Hi, gcc-10.2.1 compiles mysql with autofdo and lto optimization, then it reports "internal compiler error: in ipa_profile_write_edge_summary, at ipa-profile.c:355 Please submit a full bug report, with preprocessed source if appropriate. See <http://bugzilla.redhat.com/bugzilla> for instructions. The bug is not reproducible, so it is likely a hardware or OS problem. " cflags '-fauto-profile=myfbdata.gcov -flto', but I try to compile incrementally times, it maybe success. $gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/10/lto-wrapper Target: x86_64-redhat-linux Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --disable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --without-isl --enable-gnu-indirect-function --enable-cet --with-tune=generic --with-arch_32=x86-64 --build=x86_64-redhat-linux Thread model: posix Supported LTO compression algorithms: zlib gcc version 10.2.1 20200825 (Redhat 10.2.1-3 2.17) (GCC) moreover, gcc-9.2.1 build successful one time.