https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86359
Bug ID: 86359 Summary: Internal error when compiling lambda with constexpr and function with variadic arguments Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: marcin.zielinski at ctm dot gdynia.pl Target Milestone: --- Created attachment 44337 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44337&action=edit File causing the compiler error, preprocessed Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/8/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 8.1.0-5' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-8 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 8.1.0 (Debian 8.1.0-5) COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++17' '-O0' '-Wall' '-Wextra' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /usr/lib/gcc/x86_64-linux-gnu/8/cc1plus -E -quiet -v -imultiarch x86_64-linux-gnu -D_GNU_SOURCE main.cpp -mtune=generic -march=x86-64 -std=c++17 -Wall -Wextra -O0 -fpch-preprocess -o main.ii ignoring duplicate directory "/usr/include/x86_64-linux-gnu/c++/8" ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/8/../../../../x86_64-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/include/c++/8 /usr/include/x86_64-linux-gnu/c++/8 /usr/include/c++/8/backward /usr/lib/gcc/x86_64-linux-gnu/8/include /usr/local/include /usr/lib/gcc/x86_64-linux-gnu/8/include-fixed /usr/include/x86_64-linux-gnu /usr/include End of search list. COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++17' '-O0' '-Wall' '-Wextra' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /usr/lib/gcc/x86_64-linux-gnu/8/cc1plus -fpreprocessed main.ii -quiet -dumpbase main.cpp -mtune=generic -march=x86-64 -auxbase main -O0 -Wall -Wextra -std=c++17 -version -o main.s GNU C++17 (Debian 8.1.0-5) version 8.1.0 (x86_64-linux-gnu) compiled by GNU C version 8.1.0, GMP version 6.1.2, MPFR version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU C++17 (Debian 8.1.0-5) version 8.1.0 (x86_64-linux-gnu) compiled by GNU C version 8.1.0, GMP version 6.1.2, MPFR version 4.0.1, MPC version 1.1.0, isl version isl-0.19-GMP GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: bc8e163ce69d2a6481afa8d39350e6bc during RTL pass: expand main.cpp: In lambda function: main.cpp:13:30: internal compiler error: in make_decl_rtl, at varasm.c:1322 printSomething("%d", number); ^~~~~~ Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-8/README.Bugs> for instructions.