https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81318
Bug ID: 81318 Summary: [8 regression] ICE in to_reg_br_prob_base, at profile-count.h:189 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: dimhen at gmail dot com Target Milestone: --- r249892 PASS r249961 (?) FAIL / sadly, I rm this version from HDD & cant double-check r249982 FAIL $ cat x.i __attribute__((__cold__)) int a(); inline int b() { a(); } int c() { b(); } $ /usr/local/gcc_current/bin/gcc -fpreprocessed -O -c x.i during GIMPLE pass: profile_estimate x.i: In function ācā: x.i:3:1: internal compiler error: in to_reg_br_prob_base, at profile-count.h:189 int c() { b(); } ^~~ 0x69298d profile_probability::to_reg_br_prob_base() const /home/dimhen/src/gcc_current/gcc/profile-count.h:189 0x69298d estimate_bb_frequencies(bool) /home/dimhen/src/gcc_current/gcc/predict.c:3559 0xdb373f tree_estimate_probability(bool) /home/dimhen/src/gcc_current/gcc/predict.c:2828 0xdb3a93 execute /home/dimhen/src/gcc_current/gcc/predict.c:3701 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. $ /usr/local/gcc_current/bin/gcc -v Using built-in specs. COLLECT_GCC=/usr/local/gcc_current/bin/gcc COLLECT_LTO_WRAPPER=/usr/local/gcc_current/libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none Target: x86_64-pc-linux-gnu Configured with: /home/dimhen/src/gcc_current/configure --prefix=/usr/local/gcc_current --enable-checking=yes,df,fold,rtl --enable-languages=c,c++,lto --disable-multilib --enable-shared --enable-threads=posix --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl --enable-libmpx --enable-offload-targets=nvptx-none --without-cuda-driver --enable-gnu-indirect-function --with-tune=generic Thread model: posix gcc version 8.0.0 20170705 (experimental) [trunk revision 249982] (GCC)