https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105012
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- Created attachment 52661 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52661&action=edit ltrans object file I have a small LTRANS reproducer: $ ./lto1 -fltrans /home/marxin/Programming/testcases/wrf_r.ltrans.o Reading object files: /home/marxin/Programming/testcases/wrf_r.ltrans.o {GC 2365k} {heap 1168k} Reading the symbol table: Merging declarations: {GC 2414k} {heap 1168k} Reading summaries: {GC 2414k} {heap 1168k} {GC 2414k} {heap 1168k} {GC 2414k} {heap 1168k} {GC 2414k} {heap 1168k} <cp> {GC 2422k} {heap 1168k} {GC 2422k} {heap 1168k} {GC 2422k} {heap 1168k} {GC 2422k} {heap 1168k} {GC 2422k} {heap 1168k} <modref> {GC 2426k} {heap 1168k} {GC 2426k} {heap 1168k} <static-var> {GC 2426k} {heap 1168k} {GC 2426k} {heap 1168k} {GC 2426k} {heap 1168k} {GC 2426k} in:q.4.lto_priv.0 in:p.5.lto_priv.0 in:d.6.lto_priv.0 in:c.7.lto_priv.0 in:b.8.lto_priv.0 in:a.9.lto_priv.0 in:supersat.2.lto_priv.0Reading function bodies: Performing interprocedural optimizations Assembling functions: <simdclone> {heap 1168k} dropmixnuc.constprop in:__ndrop_MOD_dropmixnuc in:__error_function_MOD_calerf_r8 in:__error_function_MOD_derf in:__module_cam_support_MOD_endrun in:wrf_message_ in:wrf_error_fatal_ in:__module_cam_support_MOD_endrun.part.0 in:__ndrop_MOD_loadaer in:__ndrop_MOD_ccncalc in:__module_cam_support_MOD_outfld {GC madv_dontneed 264k} {GC 6209k -> 3650k} {GC madv_dontneed 652k} {GC 5337k -> 3807k}during GIMPLE pass: ifcvt ../../../../home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc-m64.0001/module_cam_mp_ndrop.fppized.f90: In function ‘dropmixnuc.constprop’: ../../../../home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc-m64.0001/module_cam_mp_ndrop.fppized.f90:33:27: internal compiler error: Segmentation fault 0x135c4fb crash_signal /home/marxin/Programming/gcc/gcc/toplev.cc:322 0x7ffff78b93cf ??? /usr/src/debug/glibc-2.35-2.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0 0xb02a60 tree_check(tree_node*, char const*, int, char const*, tree_code) /home/marxin/Programming/gcc/gcc/tree.h:3450 0x15369e3 first_imm_use_stmt /home/marxin/Programming/gcc/gcc/ssa-iterators.h:931 0x15390e6 dse_classify_store(ao_ref*, gimple*, bool, simple_bitmap_def*, bool*, tree_node*) /home/marxin/Programming/gcc/gcc/tree-ssa-dse.cc:954 0x141afe1 ifcvt_local_dce /home/marxin/Programming/gcc/gcc/tree-if-conv.cc:3154 0x141b89f tree_if_conversion(loop*, vec<gimple*, va_heap, vl_ptr>*) /home/marxin/Programming/gcc/gcc/tree-if-conv.cc:3383 0x141bb02 execute /home/marxin/Programming/gcc/gcc/tree-if-conv.cc:3461 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Richi: Can you please debug this?
