[Bug c++/80604] New: internal compiler error: Internal compiler error in tsubst_decl, at cp/pt.c:11749

[denominator at openmailbox dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80604

            Bug ID: 80604
           Summary: internal compiler error: Internal compiler error in
                    tsubst_decl, at cp/pt.c:11749
           Product: gcc
           Version: 6.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: denominator at openmailbox dot org
  Target Milestone: ---

Created attachment 41302
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41302&action=edit
the preprocessed file (*.i*) that triggers the bug

g++ -v -save-temps -s -std=c++1z -pedantic -Wall -Wextra -O3
-fomit-frame-pointer -lSDL main.cpp

Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/6/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 6.3.0-12ubuntu2'
--with-bugurl=file:///usr/share/doc/gcc-6/README.Bugs
--enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-6 --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 --disable-browser-plugin --enable-java-awt=gtk
--enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre
--enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-6-amd64
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-6-amd64
--with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--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-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 6.3.0 20170406 (Ubuntu 6.3.0-12ubuntu2) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-s' '-std=c++1z' '-Wpedantic' '-Wall'
'-Wextra' '-O3' '-fomit-frame-pointer' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
 /usr/lib/gcc/x86_64-linux-gnu/6/cc1plus -E -quiet -v -imultiarch
x86_64-linux-gnu -D_GNU_SOURCE main.cpp -mtune=generic -march=x86-64 -std=c++1z
-Wpedantic -Wall -Wextra -fomit-frame-pointer -O3 -fpch-preprocess
-fstack-protector-strong -Wformat-security -o main.ii
ignoring duplicate directory "/usr/include/x86_64-linux-gnu/c++/6"
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-linux-gnu/6/../../../../x86_64-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/include/c++/6
 /usr/include/x86_64-linux-gnu/c++/6
 /usr/include/c++/6/backward
 /usr/lib/gcc/x86_64-linux-gnu/6/include
 /usr/local/include
 /usr/lib/gcc/x86_64-linux-gnu/6/include-fixed
 /usr/include/x86_64-linux-gnu
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-s' '-std=c++1z' '-Wpedantic' '-Wall'
'-Wextra' '-O3' '-fomit-frame-pointer' '-shared-libgcc' '-mtune=generic'
'-march=x86-64'
 /usr/lib/gcc/x86_64-linux-gnu/6/cc1plus -fpreprocessed main.ii -quiet
-dumpbase main.cpp -mtune=generic -march=x86-64 -auxbase main -O3 -Wpedantic
-Wall -Wextra -std=c++1z -version -fomit-frame-pointer -fstack-protector-strong
-Wformat-security -o main.s
GNU C++14 (Ubuntu 6.3.0-12ubuntu2) version 6.3.0 20170406 (x86_64-linux-gnu)
        compiled by GNU C version 6.3.0 20170406, GMP version 6.1.2, MPFR
version 3.1.5, MPC version 1.0.3, isl version 0.15
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++14 (Ubuntu 6.3.0-12ubuntu2) version 6.3.0 20170406 (x86_64-linux-gnu)
        compiled by GNU C version 6.3.0 20170406, GMP version 6.1.2, MPFR
version 3.1.5, MPC version 1.0.3, isl version 0.15
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: fe2487a76953e518567d9823ca085b0d
main.cpp: In instantiation of ‘display()::<lambda(const Point2D&, const
auto:1&, auto:2&, auto:3&)> [with auto:1 = double; auto:2 = buffer<float>;
auto:3 = buffer<unsigned int>]’:
main.cpp:216:4:   required from ‘auto drawTri(const Point2D&, const Point2D&,
const Point2D&, const T&, const T&, const T&, const F&, Buf&, Bufs& ...) [with
T = float; F = display()::<lambda(const Point2D&, const auto:1&, auto:2&,
auto:3&)>; Buf = buffer<float>; Bufs = {buffer<unsigned int>}]’
main.cpp:268:31:   required from here
main.cpp:228:6: internal compiler error: in tsubst_decl, at cp/pt.c:11749
 auto display() noexcept {
      ^~~~~~~
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.