From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28036 invoked by alias); 14 Jan 2012 09:56:55 -0000 Received: (qmail 28024 invoked by uid 22791); 14 Jan 2012 09:56:52 -0000 X-SWARE-Spam-Status: No, hits=-2.7 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_CX,TW_DC,TW_FW,TW_LG X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 14 Jan 2012 09:56:37 +0000 From: "marc.glisse at normalesup dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/51832] [4.7 regression] Rev.182970 causes LTO link errors (multiple definitions of allocator_traits) Date: Sat, 14 Jan 2012 10:15:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: marc.glisse at normalesup dot org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.0 X-Bugzilla-Changed-Fields: CC Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-01/txt/msg01618.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51832 Marc Glisse changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |marc.glisse at normalesup | |dot org --- Comment #9 from Marc Glisse 2012-01-14 09:56:20 UTC --- (In reply to comment #7) > Can anybody else except Jason reproduce this issue? It does happen with the gcc I built yesterday on an up-to-date debian testing box (using the testcase from comment #2). Just so you know you're not the only one... stedding /tmp $ /tmp/gcc-2012-01-13/inst/bin/g++ foo.cpp foo.cpp -flto -std=gnu++0x -v Using built-in specs. COLLECT_GCC=/tmp/gcc-2012-01-13/inst/bin/g++ COLLECT_LTO_WRAPPER=/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /data/repos/gcc/trunk/configure --prefix=/tmp/gcc-2012-01-13/inst --enable-languages=c,c++ --with-system-zlib --disable-nls --enable-libstdcxx-time=yes Thread model: posix gcc version 4.7.0 20120113 (experimental) (GCC) COLLECT_GCC_OPTIONS='-flto' '-std=gnu++11' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/cc1plus -quiet -v -D_GNU_SOURCE foo.cpp -quiet -dumpbase foo.cpp -mtune=generic -march=x86-64 -auxbase foo -std=gnu++11 -version -flto -o /tmp/ccsHpwDx.s GNU C++ (GCC) version 4.7.0 20120113 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.0 20120113 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 ignoring nonexistent directory "/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0 /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/x86_64-unknown-linux-gnu /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/backward /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/include /usr/local/include /tmp/gcc-2012-01-13/inst/include /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/include-fixed /usr/include End of search list. GNU C++ (GCC) version 4.7.0 20120113 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.0 20120113 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: fd54b59ce46d25c505f29ce3b2761268 COLLECT_GCC_OPTIONS='-flto' '-std=gnu++11' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' as --64 -o /tmp/ccYykeUv.o /tmp/ccsHpwDx.s COLLECT_GCC_OPTIONS='-flto' '-std=gnu++11' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/cc1plus -quiet -v -D_GNU_SOURCE foo.cpp -quiet -dumpbase foo.cpp -mtune=generic -march=x86-64 -auxbase foo -std=gnu++11 -version -flto -o /tmp/ccsHpwDx.s GNU C++ (GCC) version 4.7.0 20120113 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.0 20120113 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 ignoring nonexistent directory "/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../x86_64-unknown-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0 /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/x86_64-unknown-linux-gnu /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/backward /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/include /usr/local/include /tmp/gcc-2012-01-13/inst/include /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/include-fixed /usr/include End of search list. GNU C++ (GCC) version 4.7.0 20120113 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.0 20120113 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: fd54b59ce46d25c505f29ce3b2761268 COLLECT_GCC_OPTIONS='-flto' '-std=gnu++11' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' as --64 -o /tmp/ccsaZaCu.o /tmp/ccsHpwDx.s COMPILER_PATH=/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/ LIBRARY_PATH=/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/usr/lib/x86_64-linux-gnu/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS='-flto' '-std=gnu++11' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/collect2 -plugin /tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/liblto_plugin.so -plugin-opt=/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper -plugin-opt=-fresolution=/tmp/cch9gflt.res -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -flto --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /usr/lib/x86_64-linux-gnu/crt1.o /usr/lib/x86_64-linux-gnu/crti.o /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/crtbegin.o -L/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0 -L/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64 -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu -L/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../.. /tmp/ccYykeUv.o /tmp/ccsaZaCu.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/crtend.o /usr/lib/x86_64-linux-gnu/crtn.o /tmp/ccsaZaCu.o (symbol from plugin): In function `_ZNSt16allocator_traitsISaIiEE18__construct_helperIiJiEE5valueE': (.text+0x0): multiple definition of `_ZNSt16allocator_traitsISaIiEE18__construct_helperIiJiEE5valueE' /tmp/ccYykeUv.o (symbol from plugin):(.text+0x0): first defined here /tmp/gcc-2012-01-13/inst/bin/g++ @/tmp/ccBqjU1Y.args *** HERE *** Using built-in specs. COLLECT_GCC=/tmp/gcc-2012-01-13/inst/bin/g++ COLLECT_LTO_WRAPPER=/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /data/repos/gcc/trunk/configure --prefix=/tmp/gcc-2012-01-13/inst --enable-languages=c,c++ --with-system-zlib --disable-nls --enable-libstdcxx-time=yes Thread model: posix gcc version 4.7.0 20120113 (experimental) (GCC) COLLECT_GCC_OPTIONS='-c' '-fexceptions' '-mtune=generic' '-march=x86-64' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' '-fltrans-output-list=/tmp/ccuNACe0.ltrans.out' '-fwpa' '-fresolution=/tmp/cch9gflt.res' '-shared-libgcc' /tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto1 -quiet -dumpbase ccYykeUv.o -mtune=generic -march=x86-64 -mtune=generic -march=x86-64 -auxbase ccYykeUv -version -fexceptions -fltrans-output-list=/tmp/ccuNACe0.ltrans.out -fwpa -fresolution=/tmp/cch9gflt.res @/tmp/ccerJ79Z GNU GIMPLE (GCC) version 4.7.0 20120113 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.0 20120113 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU GIMPLE (GCC) version 4.7.0 20120113 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.0 20120113 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 COMPILER_PATH=/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/ LIBRARY_PATH=/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/../lib64/:/lib/../lib64/../lib64/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/usr/lib/x86_64-linux-gnu/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../:/lib/:/usr/lib/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS='-c' '-fexceptions' '-mtune=generic' '-march=x86-64' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' '-fltrans-output-list=/tmp/ccuNACe0.ltrans.out' '-fwpa' '-fresolution=/tmp/cch9gflt.res' '-shared-libgcc' /tmp/gcc-2012-01-13/inst/bin/g++ @/tmp/ccUCMFEW.args Using built-in specs. COLLECT_GCC=/tmp/gcc-2012-01-13/inst/bin/g++ COLLECT_LTO_WRAPPER=/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /data/repos/gcc/trunk/configure --prefix=/tmp/gcc-2012-01-13/inst --enable-languages=c,c++ --with-system-zlib --disable-nls --enable-libstdcxx-time=yes Thread model: posix gcc version 4.7.0 20120113 (experimental) (GCC) COLLECT_GCC_OPTIONS='-c' '-fexceptions' '-mtune=generic' '-march=x86-64' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' '-fltrans-output-list=/tmp/ccuNACe0.ltrans.out' '-fltrans' '-o' '/tmp/ccuNACe0.ltrans0.ltrans.o' '-shared-libgcc' /tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto1 -quiet -dumpbase ccuNACe0.ltrans0.o -mtune=generic -march=x86-64 -mtune=generic -march=x86-64 -auxbase-strip /tmp/ccuNACe0.ltrans0.ltrans.o -version -fexceptions -fltrans-output-list=/tmp/ccuNACe0.ltrans.out -fltrans @/tmp/cc43FwAY -o /tmp/ccZ2MaqX.s GNU GIMPLE (GCC) version 4.7.0 20120113 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.0 20120113 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU GIMPLE (GCC) version 4.7.0 20120113 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.7.0 20120113 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p3, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 COLLECT_GCC_OPTIONS='-c' '-fexceptions' '-mtune=generic' '-march=x86-64' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' '-fltrans-output-list=/tmp/ccuNACe0.ltrans.out' '-fltrans' '-o' '/tmp/ccuNACe0.ltrans0.ltrans.o' '-shared-libgcc' as --64 -o /tmp/ccuNACe0.ltrans0.ltrans.o /tmp/ccZ2MaqX.s COMPILER_PATH=/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/libexec/gcc/x86_64-unknown-linux-gnu/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/ LIBRARY_PATH=/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/../lib64/:/lib/../lib64/../lib64/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../lib64/:/lib/../lib64/:/usr/lib/x86_64-linux-gnu/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../:/lib/:/usr/lib/:/tmp/gcc-2012-01-13/inst/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../:/lib/:/usr/lib/ COLLECT_GCC_OPTIONS='-c' '-fexceptions' '-mtune=generic' '-march=x86-64' '-v' '-shared-libgcc' '-mtune=generic' '-march=x86-64' '-fltrans-output-list=/tmp/ccuNACe0.ltrans.out' '-fltrans' '-o' '/tmp/ccuNACe0.ltrans0.ltrans.o' '-shared-libgcc' /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 0 has invalid symbol index 11 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 1 has invalid symbol index 12 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 2 has invalid symbol index 2 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 3 has invalid symbol index 2 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 4 has invalid symbol index 11 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 5 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 6 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 7 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 8 has invalid symbol index 2 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 9 has invalid symbol index 2 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 10 has invalid symbol index 12 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 11 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 12 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 13 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 14 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 15 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 16 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 17 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 18 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 19 has invalid symbol index 13 /usr/bin/ld: /usr/lib/debug/usr/lib/x86_64-linux-gnu/crt1.o(.debug_info): relocation 20 has invalid symbol index 20 /usr/lib/x86_64-linux-gnu/crt1.o: In function `_start': (.text+0x20): undefined reference to `main' collect2: error: ld returned 1 exit status (the relocation errors at the end are just because of the missing "main") stedding /tmp $ ld -v GNU ld (GNU Binutils for Debian) 2.22