https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119566
Bug ID: 119566 Summary: internal compiler error: in unify, at cp/pt.cc:25410 Product: gcc Version: 14.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gessos.paul at yahoo dot gr Target Milestone: --- Created attachment 60947 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60947&action=edit complete source code with many .h and only one .cpp Source code can be or cannot be legal. I get an ICE. x86_64-w64-mingw32-g++.exe -std=c++26 -c test\test_dense_vector.cpp -o test\test_dense_vector.o x86_64-w64-mingw32-g++.exe -o test\test_dense_vector.exe test\test_dense_vector.o In file included from test\test_dense_vector.cpp:3: src/element_map_vector_view.h: In substitution of 'template<class T> element_map_vector_view(const T&)-> mafematics::element_map_vector_view<T, <lambda> > requires __is_deducible (mafematics::conjugent_vector_view, mafematics::element_map_vector_view<T, <lambda> >) [with T = std::array<std::complex<double>, 3>]': test\test_dense_vector.cpp:236:28: required from here 236 | conjugent_vector_view e{a}; | ^ src/element_map_vector_view.h:132:19: internal compiler error: in unify, at cp/pt.cc:25410 132 | constexpr element_map_vector_view(const T &v) noexcept : v{v} {} | ^~~~~~~~~~~~~~~~~~~~~~~ Which g++: Using built-in specs. COLLECT_GCC=e:\Software\mingw64\bin\g++ COLLECT_LTO_WRAPPER=e:/Software/mingw64/bin/../libexec/gcc/x86_64-w64-mingw32/14.2.0/lto-wrapper.exe OFFLOAD_TARGET_NAMES=nvptx-none Target: x86_64-w64-mingw32 Configured with: ../configure --prefix=/R/winlibs_staging_msvcrt64/inst_gcc-14.2.0/share/gcc --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 --enable-offload-targets=nvptx-none --with-pkgversion='MinGW-W64 x86_64-msvcrt-posix-seh, built by Brecht Sanders, r3' --with-tune=generic --enable-checking=release --enable-threads=posix --disable-sjlj-exceptions --disable-libunwind-exceptions --disable-serial-configure --disable-bootstrap --enable-host-shared --enable-plugin --disable-default-ssp --disable-rpath --disable-libstdcxx-debug --disable-version-specific-runtime-libs --disable-symvers --enable-languages=c,c++,fortran,lto,objc,obj-c++ --disable-gold --disable-nls --disable-stage1-checking --disable-win32-registry --disable-multilib --enable-ld --enable-libquadmath --enable-libada --enable-libssp --enable-libstdcxx --enable-lto --enable-fully-dynamic-string --enable-libgomp --enable-graphite --enable-mingw-wildcard --enable-libstdcxx-time --enable-libstdcxx-pch --with-mpc=/c/Prog/winlibs_staging_msvcrt/custombuilt64 --with-mpfr=/c/Prog/winlibs_staging_msvcrt/custombuilt64 --with-gmp=/c/Prog/winlibs_staging_msvcrt/custombuilt64 --with-isl=/c/Prog/winlibs_staging_msvcrt/custombuilt64 --disable-libstdcxx-backtrace --enable-install-libiberty --enable-__cxa_atexit --without-included-gettext --with-diagnostics-color=auto --enable-clocale=generic --with-libiconv --with-system-zlib --with-build-sysroot=/R/winlibs_staging_msvcrt64/gcc-14.2.0/build_mingw/mingw-w64 CFLAGS='-I/c/Prog/winlibs_staging_msvcrt/custombuilt64/include/libdl-win32 -march=nocona -msahf -mtune=generic -O2 -Wno-error=format' CXXFLAGS='-Wno-int-conversion -march=nocona -msahf -mtune=generic -O2' LDFLAGS='-pthread -Wl,--no-insert-timestamp -Wl,--dynamicbase -Wl,--high-entropy-va -Wl,--nxcompat -Wl,--tsaware' LD=/c/Prog/winlibs_staging_msvcrt/custombuilt64/share/binutils/bin/ld.exe Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.2.0 (MinGW-W64 x86_64-msvcrt-posix-seh, built by Brecht Sanders, r3)