At revision 148201, bootstrapping failed on i686-apple-darwin9 at stage 2 with:
/opt/gcc/i686-darwin/./prev-gcc/xgcc -B/opt/gcc/i686-darwin/./prev-gcc/ -B/opt/gcc/gcc4.5w/i686-apple-darwin9/bin/ -B/opt/gcc/gcc4.5w/i686-apple-darwin9/bin/ -B/opt/gcc/gcc4.5w/i686-apple-darwin9/lib/ -isystem /opt/gcc/gcc4.5w/i686-apple-darwin9/include -isystem /opt/gcc/gcc4.5w/i686-apple-darwin9/sys-include -c -g -O2 -fomit-frame-pointer -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wcast-qual -Wold-style-definition -Wc++-compat -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -I. -I. -I../../gcc-4.5-work/gcc -I../../gcc-4.5-work/gcc/. -I../../gcc-4.5-work/gcc/../include -I./../intl -I../../gcc-4.5-work/gcc/../libcpp/include -I/opt/mpc/build/include -I/sw/include -I../../gcc-4.5-work/gcc/../libdecnumber -I../../gcc-4.5-work/gcc/../libdecnumber/dpd -I../libdecnumber -I/sw/include -I/sw/include -DCLOOG_PPL_BACKEND ../../gcc-4.5-work/gcc/dwarf2out.c -o dwarf2out.o cc1: warnings being treated as errors ../../gcc-4.5-work/gcc/dwarf2out.c: In function 'dwarf2out_source_line': ../../gcc-4.5-work/gcc/dwarf2out.c:16229:28: error: unused parameter 'discriminator' I don't know if this related to pr40347. -- Summary: [4.5 Regression] Bootstrap failure indwarf2out.c on i686-apple-darwin9 Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dominiq at lps dot ens dot fr GCC build triplet: i686-apple-darwin9 GCC host triplet: i686-apple-darwin9 GCC target triplet: i686-apple-darwin9 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40350