https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93798
Bug ID: 93798 Summary: ICE in make_region_for_type Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: david.bolvansky at gmail dot com Target Milestone: --- Created attachment 47865 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47865&action=edit preprocessed zstd source file Using latest snapshot: gcc-latest_10.0.1-20200126git787c79e559f5.deb (https://jwakely.github.io/pkg-gcc-latest/) How to reproduce: gcc -fanalyzer -O3 preprocessed.c ICE log: during IPA pass: analyzer entropy_common.c: In function ‘HUF_readStats’: entropy_common.c:196:35: internal compiler error: in make_region_for_type, at analyzer/region-model.cc:5983 196 | huffWeight[n] = ip[n/2] >> 4; | ^ 0x1128bb9 make_region_for_type ../../gcc/analyzer/region-model.cc:5983 0x1128bb9 ana::region_model::add_region_for_type(ana::region_id, tree_node*) ../../gcc/analyzer/region-model.cc:5993 0x11307d5 ana::array_region::get_or_create(ana::region_model*, ana::region_id, int, tree_node*) ../../gcc/analyzer/region-model.cc:2331 0x1130bc2 ana::array_region::get_element(ana::region_model*, ana::region_id, ana::svalue_id, ana::region_model_context*) ../../gcc/analyzer/region-model.cc:2195 0x1130da3 ana::region_model::get_or_create_mem_ref(tree_node*, ana::svalue_id, ana::svalue_id, ana::region_model_context*) ../../gcc/analyzer/region-model.cc:6526 0x11369fa ana::region_model::get_or_create_pointer_plus_expr(tree_node*, ana::svalue_id, ana::svalue_id, ana::region_model_context*) ../../gcc/analyzer/region-model.cc:6546 0x11369fa ana::region_model::on_assignment(gassign const*, ana::region_model_context*) ../../gcc/analyzer/region-model.cc:3977 0x111155b ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode const*, gimple const*, ana::program_state*, ana::state_change*) const ../../gcc/analyzer/engine.cc:948 0x1111ffb ana::exploded_graph::process_node(ana::exploded_node*) ../../gcc/analyzer/engine.cc:2439 0x1112632 ana::exploded_graph::process_worklist() ../../gcc/analyzer/engine.cc:2259 0x1113c8e ana::impl_run_checkers(ana::logger*) ../../gcc/analyzer/engine.cc:3580 0x111491d ana::run_checkers() ../../gcc/analyzer/engine.cc:3634 0x11097d8 execute ../../gcc/analyzer/analyzer-pass.cc:84 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.