https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68099
--- Comment #12 from Jonathan Ben-Avraham <yba at tkos dot co.il> --- (In reply to Jonathan Ben-Avraham from comment #10) > (In reply to Marek Polacek from comment #9) > > I've built a cross-compiler for arm-linux-gnueabihf target and can't > > reproduce the issue with GCC trunk: > > > > $ ./cc1plus -I. /tmp/test.i -quiet -O3 -fsanitize=undefined -Wall -Wextra > > dog.cpp: In function ‘int main(int, char**)’: > > dog.cpp:31:14: warning: unused parameter ‘argc’ [-Wunused-parameter] > > dog.cpp:31:31: warning: unused parameter ‘argv’ [-Wunused-parameter] > > > > so I think this was really fixed in PR66977. > > > > Hence closing, please reopen if you can reproduce with GCC trunk, or if you > > think I goofed something up, thanks. > > Please post your configure command line for gcc and the svn revision number > that you used so that I can try to duplicate your success. I was not able to > build trunk rev 229474 using the same crosstool-ng .config that I used when > building the the GCC 5.1 for which I reported this bug. The error that I > received was > > [INFO ] Installing C library > [ERROR] strchrnul.c:72:40: error: result of '2130640638l << 16' requires > 48 bits to represent, but 'long int' only has 32 bits > [-Werror=shift-overflow=] > [ERROR] strchrnul.c:72:47: error: result of '-16908288l << 16' requires > 42 bits to represent, but 'long int' only has 32 bits > [-Werror=shift-overflow=] > [ERROR] make[3]: *** > [/opt/home/yba/gcc/crosstool-ng-gcc-rev-229474/.build/arm-mxs-linux- > gnueabihf/build/build-libc-final/string/strchrnul.o] Error 1 > [ERROR] make[2]: *** [string/subdir_lib] Error 2 > [ERROR] make[1]: *** [all] Error 2 > [ERROR] > [ERROR] >> > [ERROR] >> Build failed in step 'Installing C library' > [ERROR] >> called in step '(top-level)' > [ERROR] >> > [ERROR] >> Error happened in: CT_DoExecLog[scripts/functions@257] > [ERROR] >> called from: > do_libc_backend_once[scripts/build/libc/glibc.sh@456] > [ERROR] >> called from: > do_libc_backend[scripts/build/libc/glibc.sh@153] > [ERROR] >> called from: do_libc[scripts/build/libc/glibc.sh@75] > [ERROR] >> called from: main[scripts/crosstool-NG.sh@638] > [ERROR] >> > [ERROR] >> For more info on this error, look at the file: 'build.log' > [ERROR] >> There is a list of known issues, some with workarounds, in: > [ERROR] >> 'usr/local/share/doc/crosstool-ng//B - Known issues.txt' > [ERROR] > [ERROR] (elapsed: 8:54.60) > [08:54] / make: *** [build] Error 2 > > Many thanks, > > - yba See attached build.tail.xz for build log with failure notice
