https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115544
Bug ID: 115544 Summary: ICE: in lower_complexexpr_stmt, at gimple-lower-bitint.cc:4719 with -O -fno-tree-fre -fno-tree-ccp -fno-tree-forwprop and _BitInt() __builtin_mul_overflow() Product: gcc Version: 15.0 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 Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 58465 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58465&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -fno-tree-fre -fno-tree-ccp -fno-tree-forwprop testcase.c during GIMPLE pass: bitintlower testcase.c: In function 'foo': testcase.c:5:1: internal compiler error: in lower_complexexpr_stmt, at gimple-lower-bitint.cc:4719 5 | foo() | ^~~ 0xdad936 lower_complexexpr_stmt /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:4719 0xdad936 lower_stmt /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:5708 0x27cf3f1 gimple_lower_bitint /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:6926 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-r15-1418-20240618085924-gadadb5c7ba0-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/15.0.0/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 --enable-libsanitizer --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r15-1418-20240618085924-gadadb5c7ba0-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 15.0.0 20240618 (experimental) (GCC)