Created attachment 329538 [details] file I try to compile There is no need to create profiling data earlier. $ gcc -Wall -march=native -O2 -o poc2 poc.c -fprofile-use --coverage poc.c:1:0: internal compiler error: in gcov_open, at gcov-io.c:82 Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.gentoo.org/> for instructions $ gcc -v Using built-in specs. COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.7.2/gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.7.2/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /var/tmp/portage/sys-devel/gcc-4.7.2/work/gcc-4.7.2/configure --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.7.2 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.2 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.2/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.2/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/include/g++-v4 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec --disable-fixed-point --with-ppl --with-cloog --disable-ppl-version-check --with-cloog-include=/usr/include/cloog-ppl --enable-lto --enable-nls --without-included-gettext --with-system-zlib --enable-obsolete --disable-werror --enable-secureplt --enable-multilib --with-multilib-list=m32,m64 --enable-libmudflap --disable-libssp --enable-libgomp --with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.7.2/python --enable-checking=release --disable-libgcj --enable-languages=c,c++,objc,fortran --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --enable-targets=all --with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.7.2 p1.2, pie-0.5.5' Thread model: posix gcc version 4.7.2 (Gentoo 4.7.2 p1.2, pie-0.5.5) $ gcc -Wall -march=native -O2 -o poc2 poc.c -fprofile-use --coverage -v -save-temps Using built-in specs. COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.7.2/gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.7.2/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /var/tmp/portage/sys-devel/gcc-4.7.2/work/gcc-4.7.2/configure --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.7.2 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.2 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.2/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.2/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/include/g++-v4 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec --disable-fixed-point --with-ppl --with-cloog --disable-ppl-version-check --with-cloog-include=/usr/include/cloog-ppl --enable-lto --enable-nls --without-included-gettext --with-system-zlib --enable-obsolete --disable-werror --enable-secureplt --enable-multilib --with-multilib-list=m32,m64 --enable-libmudflap --disable-libssp --enable-libgomp --with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.7.2/python --enable-checking=release --disable-libgcj --enable-languages=c,c++,objc,fortran --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --enable-targets=all --with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.7.2 p1.2, pie-0.5.5' Thread model: posix gcc version 4.7.2 (Gentoo 4.7.2 p1.2, pie-0.5.5) COLLECT_GCC_OPTIONS='-Wall' '-march=native' '-O2' '-o' 'poc2' '-fprofile-use' '-coverage' '-v' '-save-temps' /usr/libexec/gcc/x86_64-pc-linux-gnu/4.7.2/cc1 -E -quiet -v poc.c -march=core2 -mcx16 -msahf -mno-movbe -mno-aes -mno-pclmul -mno-popcnt -mno-abm -mno-lwp -mno-fma -mno-fma4 -mno-xop -mno-bmi -mno-bmi2 -mno-tbm -mno-avx -mno-avx2 -mno-sse4.2 -msse4.1 -mno-lzcnt -mno-rdrnd -mno-f16c -mno-fsgsbase --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=6144 -mtune=core2 -Wall -fprofile-use -O2 -fpch-preprocess -o poc.i ignoring nonexistent directory "/usr/local/include" ignoring nonexistent directory "/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/../../../../x86_64-pc-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/include /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/include-fixed /usr/include End of search list. COLLECT_GCC_OPTIONS='-Wall' '-march=native' '-O2' '-o' 'poc2' '-fprofile-use' '-coverage' '-v' '-save-temps' /usr/libexec/gcc/x86_64-pc-linux-gnu/4.7.2/cc1 -fpreprocessed poc.i -march=core2 -mcx16 -msahf -mno-movbe -mno-aes -mno-pclmul -mno-popcnt -mno-abm -mno-lwp -mno-fma -mno-fma4 -mno-xop -mno-bmi -mno-bmi2 -mno-tbm -mno-avx -mno-avx2 -mno-sse4.2 -msse4.1 -mno-lzcnt -mno-rdrnd -mno-f16c -mno-fsgsbase --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=6144 -mtune=core2 -quiet -dumpbase poc.c -auxbase poc -O2 -Wall -version -fprofile-use -fprofile-arcs -ftest-coverage -o poc.s GNU C (Gentoo 4.7.2 p1.2, pie-0.5.5) version 4.7.2 (x86_64-pc-linux-gnu) compiled by GNU C version 4.7.2, GMP version 5.0.5, MPFR version 3.1.1, MPC version 1.0.1 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 GNU C (Gentoo 4.7.2 p1.2, pie-0.5.5) version 4.7.2 (x86_64-pc-linux-gnu) compiled by GNU C version 4.7.2, GMP version 5.0.5, MPFR version 3.1.1, MPC version 1.0.1 GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: acd63c4ffecf44eb0f88131871aed6a5 poc.c:1:0: internal compiler error: in gcov_open, at gcov-io.c:82 Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.gentoo.org/> for instructions.
Created attachment 329540 [details] preprocessed poc.c
http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/gcc/4.7.3/gentoo/96_all_4.7.4_PR57269-ICE-gconv_open.patch?rev=1.1&view=markup
Fixed in 4.7.3 p1.0.
Thanks Ryan.
