https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93950
Bug ID: 93950
Summary: ICE: in make_region_for_unexpected_tree_code, at
analyzer/region-model.cc:4786 with -fanalyzer
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 47916
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47916&action=edit
reduced testcase (from OpenTTD sources)
Compiler output:
$ x86_64-pc-linux-gnu-g++ testcase.C -fanalyzer
during IPA pass: analyzer
testcase.C:10:11: internal compiler error: in
make_region_for_unexpected_tree_code, at analyzer/region-model.cc:4786
10 | void *j = nullptr;
| ^
0x8b188d
ana::region_model::make_region_for_unexpected_tree_code(ana::region_model_context*,
tree_node*, dump_location_t const&)
/repo/gcc-trunk/gcc/analyzer/region-model.cc:4786
0x8b188d
ana::region_model::make_region_for_unexpected_tree_code(ana::region_model_context*,
tree_node*, dump_location_t const&)
/repo/gcc-trunk/gcc/analyzer/region-model.cc:4782
0x169f0cd ana::region_model::get_lvalue_1(ana::path_var,
ana::region_model_context*)
/repo/gcc-trunk/gcc/analyzer/region-model.cc:4650
0x169f6c3 ana::region_model::get_lvalue(ana::path_var,
ana::region_model_context*)
/repo/gcc-trunk/gcc/analyzer/region-model.cc:4811
0x1e8852d ana::state_change_event::get_lvalue(tree_node*) const
/repo/gcc-trunk/gcc/analyzer/checker-path.h:206
0x1e8852d ana::diagnostic_manager::prune_for_sm_diagnostic(ana::checker_path*,
ana::state_machine const*, tree_node*, unsigned int) const
/repo/gcc-trunk/gcc/analyzer/diagnostic-manager.cc:1160
0x1e8876e ana::diagnostic_manager::prune_path(ana::checker_path*,
ana::state_machine const*, tree_node*, unsigned int) const
/repo/gcc-trunk/gcc/analyzer/diagnostic-manager.cc:1056
0x1e88a2f ana::diagnostic_manager::emit_saved_diagnostic(ana::exploded_graph
const&, ana::saved_diagnostic const&, ana::exploded_path const&, gimple const*,
int)
/repo/gcc-trunk/gcc/analyzer/diagnostic-manager.cc:520
0x1e894ce ana::dedupe_winners::emit_best(ana::diagnostic_manager*,
ana::exploded_graph const&)
/repo/gcc-trunk/gcc/analyzer/diagnostic-manager.cc:446
0x1e894ce ana::diagnostic_manager::emit_saved_diagnostics(ana::exploded_graph
const&)
/repo/gcc-trunk/gcc/analyzer/diagnostic-manager.cc:489
0x1681248 ana::impl_run_checkers(ana::logger*)
/repo/gcc-trunk/gcc/analyzer/engine.cc:3807
0x1681fcc ana::run_checkers()
/repo/gcc-trunk/gcc/analyzer/engine.cc:3850
0x16766e8 execute
/repo/gcc-trunk/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.
$ x86_64-pc-linux-gnu-g++ -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-g++
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-20200226101433-gb9934ad88d6-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/10.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-20200226101433-gb9934ad88d6-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 10.0.1 20200226 (experimental) (GCC)
