https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96713

            Bug ID: 96713
           Summary: [11 Regression] ICE: in fold_relational_const, at
                    fold-const.c:14921 with -fanalyzer
           Product: gcc
           Version: 11.0
            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 49083
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49083&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-gcc -fanalyzer testcase.c 
during IPA pass: analyzer
testcase.c: In function 'foo':
testcase.c:6:5: internal compiler error: in fold_relational_const, at
fold-const.c:14921
    6 |   d <= e;
      |   ~~^~~~
0x66d990 fold_relational_const
        /repo/gcc-trunk/gcc/fold-const.c:14921
0xd51bfe const_binop(tree_code, tree_node*, tree_node*, tree_node*)
        /repo/gcc-trunk/gcc/fold-const.c:1599
0xd44841 fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
        /repo/gcc-trunk/gcc/fold-const.c:10274
0x1478486 ana::constant_svalue::eval_condition(ana::constant_svalue const*,
tree_code, ana::constant_svalue const*)
        /repo/gcc-trunk/gcc/analyzer/svalue.cc:403
0x143d597 ana::region_model::eval_condition(ana::svalue const*, tree_code,
ana::svalue const*) const
        /repo/gcc-trunk/gcc/analyzer/region-model.cc:1500
0x143f5ee ana::region_model::get_gassign_result(gassign const*,
ana::region_model_context*)
        /repo/gcc-trunk/gcc/analyzer/region-model.cc:469
0x143f747 ana::region_model::on_assignment(gassign const*,
ana::region_model_context*)
        /repo/gcc-trunk/gcc/analyzer/region-model.cc:563
0x1423070 ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode
const*, gimple const*, ana::program_state*) const
        /repo/gcc-trunk/gcc/analyzer/engine.cc:1029
0x14241af ana::exploded_graph::process_node(ana::exploded_node*)
        /repo/gcc-trunk/gcc/analyzer/engine.cc:2526
0x1424aa2 ana::exploded_graph::process_worklist()
        /repo/gcc-trunk/gcc/analyzer/engine.cc:2341
0x1426b19 ana::impl_run_checkers(ana::logger*)
        /repo/gcc-trunk/gcc/analyzer/engine.cc:4107
0x14284ac ana::run_checkers()
        /repo/gcc-trunk/gcc/analyzer/engine.cc:4175
0x141c5e8 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-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-2773-20200819203610-ge6e01618e83-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.0/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-r11-2773-20200819203610-ge6e01618e83-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.0.0 20200819 (experimental) (GCC)

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