https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114209
Bug ID: 114209 Summary: ICE: verify_gimple failed: incorrect sharing of tree nodes at -O and above Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: jakub at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Target: i686-pc-linux-gnu Created attachment 57595 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57595&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -m32 testcase.c testcase.c: In function 'foo': testcase.c:7:1: error: incorrect sharing of tree nodes 7 | foo(void) | ^~~ MEM[(_BitInt(128) *)p.0_1] # VUSE <.MEM_5(D)> _8 = VIEW_CONVERT_EXPR<vector(1) _Float128>(MEM[(_BitInt(128) *)p.0_1]); during GIMPLE pass: bitintlower testcase.c:7:1: internal compiler error: verify_gimple failed 0x155df5d verify_gimple_in_cfg(function*, bool, bool) /repo/gcc-trunk/gcc/tree-cfg.cc:5663 0x13cccb4 execute_function_todo /repo/gcc-trunk/gcc/passes.cc:2088 0x13cd20e execute_todo /repo/gcc-trunk/gcc/passes.cc:2142 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-r14-9248-20240301110451-gd3d0fcb6527-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-r14-9248-20240301110451-gd3d0fcb6527-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240301 (experimental) (GCC)