http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49835
Summary: [4.7 Regression] Revision 176720 caused bootstrap
failure
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: hjl.to...@gmail.com
CC: san...@codesourcery.com
On Linux/x86, revision 176720:
http://gcc.gnu.org/ml/gcc-cvs/2011-07/msg00988.html
caused:
/export/gnu/import/svn/gcc-test-ia32corei7/bld/./prev-gcc/g++
-B/export/gnu/import/svn/gcc-test-ia32corei7/bld/./prev-gcc/
-B/usr/local/i686-linux/bin/ -nostdinc++
-B/export/gnu/import/svn/gcc-test-ia32corei7/bld/prev-i686-linux/libstdc++-v3/src/.libs
-B/export/gnu/import/svn/gcc-test-ia32corei7/bld/prev-i686-linux/libstdc++-v3/libsupc++/.libs
-I/export/gnu/import/svn/gcc-test-ia32corei7/bld/prev-i686-linux/libstdc++-v3/include/i686-linux
-I/export/gnu/import/svn/gcc-test-ia32corei7/bld/prev-i686-linux/libstdc++-v3/include
-I/export/gnu/import/svn/gcc-test-ia32corei7/src-trunk/libstdc++-v3/libsupc++
-L/export/gnu/import/svn/gcc-test-ia32corei7/bld/prev-i686-linux/libstdc++-v3/src/.libs
-L/export/gnu/import/svn/gcc-test-ia32corei7/bld/prev-i686-linux/libstdc++-v3/libsupc++/.libs
-c -g -O2 -gtoggle -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual
-Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -I. -Ilto
-I../../src-trunk/gcc -I../../src-trunk/gcc/lto
-I../../src-trunk/gcc/../include -I../../src-trunk/gcc/../libcpp/include
-I../../src-trunk/gcc/../libdecnumber -I../../src-trunk/gcc/../libdecnumber/bid
-I../libdecnumber -I/opt/gnu/include -I/opt/gnu/include -DCLOOG_INT_GMP
-DCLOOG_ORG ../../src-trunk/gcc/lto/lto-lang.c -o lto/lto-lang.o
../../src-trunk/gcc/collect2.c:182:20: error: 'demangle_flag' defined but not
used [-Werror=unused-variable]
cc1plus: all warnings being treated as errors
make[6]: *** [collect2.o] Error 1
make[6]: *** Waiting for unfinished jobs....
