https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114293
Bug ID: 114293 Summary: [14 Regression] ICE: in verify_range, at value-range.cc:1132 at -O2 Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 57659 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57659&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 testcase.c testcase.c: In function 'bar': testcase.c:4:3: warning: '__builtin_memset' specified bound 18374966859414961920 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=] 4 | __builtin_memset (&b, a, 0xFF00FF00FF00FF00); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ during GIMPLE pass: strlen testcase.c: In function 'foo': testcase.c:9:1: internal compiler error: in verify_range, at value-range.cc:1132 9 | foo (void) | ^~~ 0x8a195e irange::verify_range() /repo/gcc-trunk/gcc/value-range.cc:1132 0x1853427 irange::set(tree_node*, generic_wide_int<wide_int_storage> const&, generic_wide_int<wide_int_storage> const&, value_range_kind) /repo/gcc-trunk/gcc/value-range.cc:1076 0x17394e8 int_range<2u, false>::int_range(tree_node*, generic_wide_int<wide_int_storage> const&, generic_wide_int<wide_int_storage> const&, value_range_kind) /repo/gcc-trunk/gcc/value-range.h:1047 0x17394e8 set_strlen_range(tree_node*, generic_wide_int<wide_int_storage>, generic_wide_int<wide_int_storage>, tree_node*) /repo/gcc-trunk/gcc/tree-ssa-strlen.cc:1942 0x17455f8 strlen_pass::handle_builtin_strlen() /repo/gcc-trunk/gcc/tree-ssa-strlen.cc:2344 0x1745ab5 strlen_pass::check_and_optimize_call(bool*) /repo/gcc-trunk/gcc/tree-ssa-strlen.cc:5412 0x1746499 strlen_pass::check_and_optimize_stmt(bool*) /repo/gcc-trunk/gcc/tree-ssa-strlen.cc:5670 0x17468d6 strlen_pass::before_dom_children(basic_block_def*) /repo/gcc-trunk/gcc/tree-ssa-strlen.cc:5854 0x2615eae dom_walker::walk(basic_block_def*) /repo/gcc-trunk/gcc/domwalk.cc:311 0x1746dd7 printf_strlen_execute /repo/gcc-trunk/gcc/tree-ssa-strlen.cc:5913 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. $ 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-r14-9409-20240309093707-ge9753f4b633-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/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 --enable-libsanitizer --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r14-9409-20240309093707-ge9753f4b633-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240309 (experimental) (GCC)