https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123870
--- Comment #38 from Ilya Kurdyukov <jpegqs at gmail dot com> --- Created attachment 63574 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63574&action=edit validate_change_or_fail.i.zip > 2. GCC 15.2.0 -O2, crashes with ICE "validate_change_or_fail" The preprocessed source is in comment 9. But I did one more. $ gcc-15 -O2 -march=rv64gc_xtheadvector validate_change_or_fail.i -c during RTL pass: vsetvl quantsmooth.c: In function ‘main’: quantsmooth.c:627:1: internal compiler error: in validate_change_or_fail, at config/riscv/riscv-v.cc:5611 627 | } | ^ 0x2263ea9 diagnostic_context::diagnostic_impl(rich_location*, diagnostic_metadata const*, diagnostic_option_id, char const*, void**, diagnostic_t) ???:0 0x227033d internal_error(char const*, ...) ???:0 0x64e8cf fancy_abort(char const*, int, char const*) ???:0 0xee0013 riscv_vector::validate_change_or_fail(rtx_def*, rtx_def**, rtx_def*, bool) ???:0 0xeeb3d9 pre_vsetvl::remove_avl_operand() ???:0 0xef1e49 pass_vsetvl::lazy_vsetvl() ???:0 0xef2341 pass_vsetvl::execute(function*) ???:0 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <file:///usr/share/doc/gcc-15/README.Bugs> for instructions. $ gcc-15 -v Using built-in specs. COLLECT_GCC=gcc-15 COLLECT_LTO_WRAPPER=/usr/libexec/gcc/riscv64-linux-gnu/15/lto-wrapper Target: riscv64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 15.2.0-12' --with-bugurl=file:///usr/share/doc/gcc-15/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2,rust,cobol,algol68 --prefix=/usr --with-gcc-major-version-only --program-suffix=-15 --program-prefix=riscv64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/libexec --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-libstdcxx-backtrace --enable-gnu-unique-object --disable-libquadmath --disable-libquadmath-support --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --disable-multilib --with-abi=lp64d --with-arch=rv64gc --enable-checking=release --build=riscv64-linux-gnu --host=riscv64-linux-gnu --target=riscv64-linux-gnu Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 15.2.0 (Debian 15.2.0-12)
