https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65512
--- Comment #1 from Peter VARGA <developm...@faf-ltd.com> --- Output for the -v option: Using built-in specs. COLLECT_GCC=g++ Target: x86_64-unknown-linux-gnu Configured with: ../gcc-4.9.2_source/configure --disable-multilib Thread model: posix gcc version 4.9.2 (GCC) COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++11' '-Wall' '-Wextra' '-c' '-Werror' '-fno-strict-aliasing' '-fwrapv' '-fno-aggressive-loop-optimizations' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.9.2/cc1plus -E -quiet -v -D_GNU_SOURCE gcc-warning-bug.cpp -mtune=generic -march=x86-64 -std=c++11 -Wall -Wextra -Werror -fno-strict-aliasing -fwrapv -fno-aggressive-loop-optimizations -fpch-preprocess -o gcc-warning-bug.ii ignoring nonexistent directory "/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../include/c++/4.9.2 /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../include/c++/4.9.2/x86_64-unknown-linux-gnu /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../include/c++/4.9.2/backward /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/include /usr/local/include /usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/include-fixed /usr/include End of search list. COLLECT_GCC_OPTIONS='-v' '-save-temps' '-std=c++11' '-Wall' '-Wextra' '-c' '-Werror' '-fno-strict-aliasing' '-fwrapv' '-fno-aggressive-loop-optimizations' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.9.2/cc1plus -fpreprocessed gcc-warning-bug.ii -quiet -dumpbase gcc-warning-bug.cpp -mtune=generic -march=x86-64 -auxbase gcc-warning-bug -Wall -Wextra -Werror -std=c++11 -version -fno-strict-aliasing -fwrapv -fno-aggressive-loop-optimizations -o gcc-warning-bug.s GNU C++ (GCC) version 4.9.2 (x86_64-unknown-linux-gnu) compiled by GNU C version 4.9.2, GMP version 4.2.3, MPFR version 3.1.2, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU C++ (GCC) version 4.9.2 (x86_64-unknown-linux-gnu) compiled by GNU C version 4.9.2, GMP version 4.2.3, MPFR version 3.1.2, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 660c5687a086ea3686f43ea5e642dd2c