https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88679
--- Comment #2 from Daniel Fruzynski ---
I used compiler at https://godbolt.org/. Here are outputs for both commands:
$ gcc -v
Using built-in specs.
COLLECT_GCC=/opt/compiler-explorer/gcc-snapshot/bin/g++
Target: x86_64-linux-gnu
Configured with: ../gcc-trunk-20190103/configure
--prefix=/opt/compiler-explorer/gcc-build/staging --build=x86_64-linux-gnu
--host=x86_64-linux-gnu --target=x86_64-linux-gnu --disable-bootstrap
--enable-multiarch --with-abi=m64 --with-multilib-list=m32,m64,mx32
--enable-multilib --enable-clocale=gnu --enable-languages=c,c++,fortran
--enable-ld=yes --enable-gold=yes --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --enable-linker-build-id --enable-lto
--enable-plugins --enable-threads=posix --with-pkgversion=GCC-Explorer-Build
Thread model: posix
gcc version 9.0.0 20190102 (experimental) (GCC-Explorer-Build)
COLLECT_GCC_OPTIONS='-fdiagnostics-color=always' '-g' '-o'
'/tmp/compiler-explorer-compiler11903-60-1nshruf.qczq/output.s' '-masm=intel'
'-S' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64'
/opt/compiler-explorer/gcc-trunk-20190103/bin/../libexec/gcc/x86_64-linux-gnu/9.0.0/cc1plus
-quiet -v -imultiarch x86_64-linux-gnu -iprefix
/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/
-D_GNU_SOURCE -quiet -dumpbase example.cpp -masm=intel -mtune=generic
-march=x86-64 -auxbase-strip
/tmp/compiler-explorer-compiler11903-60-1nshruf.qczq/output.s -g -version
-fdiagnostics-color=always -o
/tmp/compiler-explorer-compiler11903-60-1nshruf.qczq/output.s
GNU C++14 (GCC-Explorer-Build) version 9.0.0 20190102 (experimental)
(x86_64-linux-gnu)
compiled by GNU C version 7.3.0, GMP version 6.1.0, MPFR version 3.1.4,
MPC version 1.0.3, isl version isl-0.18-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
ignoring nonexistent directory
"/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../x86_64-linux-gnu/include"
ignoring duplicate directory
"/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/../../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../include/c++/9.0.0"
ignoring duplicate directory
"/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/../../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../include/c++/9.0.0/x86_64-linux-gnu"
ignoring duplicate directory
"/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/../../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../include/c++/9.0.0/backward"
ignoring duplicate directory
"/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/../../lib/gcc/x86_64-linux-gnu/9.0.0/include"
ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu"
ignoring duplicate directory
"/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/../../lib/gcc/x86_64-linux-gnu/9.0.0/include-fixed"
ignoring nonexistent directory
"/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/../../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../x86_64-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../include/c++/9.0.0
/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../include/c++/9.0.0/x86_64-linux-gnu
/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../include/c++/9.0.0/backward
/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/include
/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/include-fixed
/usr/local/include
/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/../../include
/usr/include/x86_64-linux-gnu
/usr/include
End of search list.
GNU C++14 (GCC-Explorer-Build) version 9.0.0 20190102 (experimental)
(x86_64-linux-gnu)
compiled by GNU C version 7.3.0, GMP version 6.1.0, MPFR version 3.1.4,
MPC version 1.0.3, isl version isl-0.18-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: f724e483fb841047a948ffa41ca3218a
COMPILER_PATH=/opt/compiler-explorer/gcc-trunk-20190103/bin/../libexec/gcc/x86_64-linux-gnu/9.0.0/:/opt/compiler-explorer/gcc-trunk-20190103/bin/../libexec/gcc/x86_64-linux-gnu/:/opt/compiler-explorer/gcc-trunk-20190103/bin/../libexec/gcc/:/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../x86_64-linux-gnu/bin/
LIBRARY_PATH=/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/:/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/:/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/:/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/../../../../lib64/:/lib/x86_64-linux-gnu/:/lib/../lib64/:/usr/lib/x86_64-linux-gnu/:/opt/compiler-explorer/gcc-trunk-20190103/bin/../lib/gcc/x86_64-linux-gnu/9.0.0/..
