http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46050
Summary: gcc/c-parser.c fails to build with -O2 -finline-functions Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassig...@gcc.gnu.org ReportedBy: bary...@smp.if.uj.edu.pl gcc-4.6-20101009 snapshot. I think it was working in previous snapshot (there were other errors, but this no). With only -O2 build is ok. So inlineing is a problem? r...@tytus:/scratch/obiekty# export FLAGS="-O2 -finline-functions" r...@tytus:/scratch/obiekty# export CFLAGS=$FLAGS r...@tytus:/scratch/obiekty# export CXXFLAGS=$FLAGS r...@tytus:/scratch/obiekty# /scratch/gcc-4.6-20101009/configure \ --enable-languages=c,c++,java \ --enable-checking=yes \ CFLAGS="$CFLAGS" CXXFLAGS="$CXXFLAGS" r...@tytus:/scratch/obiekty# make "BOOT_CFLAGS=$CFLAGS" bootstrap ... /scratch/obiekty/./prev-gcc/xgcc -B/scratch/obiekty/./prev-gcc/ -B/usr/local/i686-pc-linux-gnu/bin/ -B/usr/local/i686-pc-linux-gnu/bin/ -B/usr/local/i686-pc-linux-gnu/lib/ -isystem /usr/local/i686-pc-linux-gnu/include -isystem /usr/local/i686-pc-linux-gnu/sys-include -c -DIN_GCC_FRONTEND -O2 -finline-functions -gtoggle -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -Wold-style-definition -Wc++-compat -fno-common -DHAVE_CONFIG_H -I. -I. -I/scratch/gcc-4.6-20101009/gcc -I/scratch/gcc-4.6-20101009/gcc/. -I/scratch/gcc-4.6-20101009/gcc/../include -I/scratch/gcc-4.6-20101009/gcc/../libcpp/include -I/scratch/gcc-4.6-20101009/gcc/../libdecnumber -I/scratch/gcc-4.6-20101009/gcc/../libdecnumber/bid -I../libdecnumber -DCLOOG_PPL_BACKEND -I/usr/include/libelf /scratch/gcc-4.6-20101009/gcc/c-parser.c -o c-parser.o /scratch/gcc-4.6-20101009/gcc/c-parser.c: In function ‘c_parser_statement_after_labels’: /scratch/gcc-4.6-20101009/gcc/c-parser.c:4672:19: error: ‘incr’ may be used uninitialized in this function [-Werror=uninitialized] /scratch/gcc-4.6-20101009/gcc/c-parser.c:4525:21: note: ‘incr’ was declared here cc1: all warnings being treated as errors make[3]: *** [c-parser.o] Błąd 1 make[3]: Opuszczenie katalogu `/scratch/obiekty/gcc' make[2]: *** [all-stage2-gcc] Błąd 2 make[2]: Opuszczenie katalogu `/scratch/obiekty' make[1]: *** [stage2-bubble] Błąd 2 make[1]: Opuszczenie katalogu `/scratch/obiekty' make: *** [bootstrap] Błąd 2 r...@tytus:/scratch/obiekty# Thanks.