https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96860
Bug ID: 96860 Summary: [11 Regression] ICE in apply_ctor_to_region, at analyzer/store.cc:445 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: analyzer Assignee: dmalcolm at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: x86_64-pc-linux-gnu gcc-11.0.0-alpha20200830 snapshot (g:6ccadc4c0486ff011a32c74de1a31148acb3cbe2) ICEs when compiling the following testcase, reduced from gcc/testsuite/gcc.c-torture/execute/pr89634.c, w/ -fanalyzer --param analyzer-max-svalue-depth=0: void x7 (void) { __int128 z5[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, }; } % x86_64-pc-linux-gnu-gcc-11.0.0 -fanalyzer --param analyzer-max-svalue-depth=0 -c z2ncgwrg.c during IPA pass: analyzer z2ncgwrg.c: In function 'x7': z2ncgwrg.c:4:12: internal compiler error: in apply_ctor_to_region, at analyzer/store.cc:445 4 | __int128 z5[] = { | ^~ 0x7244b1 ana::binding_map::apply_ctor_to_region(ana::region const*, tree_node*, ana::region_model_manager*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/store.cc:445 0x110cea4 ana::decl_region::get_svalue_for_constructor(tree_node*, ana::region_model_manager*) const /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/region.cc:907 0x1111db4 ana::region_model::get_store_value(ana::region const*) const /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/region-model.cc:1284 0x1113c6a ana::region_model::get_rvalue(tree_node*, ana::region_model_context*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/region-model.cc:1190 0x1116727 ana::region_model::on_assignment(gassign const*, ana::region_model_context*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/region-model.cc:562 0x10f7532 ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode const*, gimple const*, ana::program_state*) const /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/engine.cc:1029 0x10f877d ana::exploded_graph::process_node(ana::exploded_node*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/engine.cc:2526 0x10f926a ana::exploded_graph::process_worklist() /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/engine.cc:2341 0x10fb39f ana::impl_run_checkers(ana::logger*) /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/engine.cc:4107 0x10fbfbc ana::run_checkers() /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/engine.cc:4175 0x10f0978 execute /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200830/work/gcc-11-20200830/gcc/analyzer/analyzer-pass.cc:84 It's also possible to trigger this ICE w/ -m32 when one replaces __int128 w/ long int in z5 declaration.