https://sourceware.org/bugzilla/show_bug.cgi?id=18313
Bug ID: 18313
Summary: binutils: linker error due possibly uninitialized
values
Product: binutils
Version: 2.26 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: dilyan.palauzov at aegee dot org
When compiling binutils-master (commit 8900d71e38) I get these warnings and
-Werror is active:
make[2]: Entering directory '/mnt/new/src/gcc/binutils-git-build/binutils'
/bin/sh ./libtool --tag=CC --mode=link gcc -W -Wall -Wstrict-prototypes
-Wmissing-prototypes -Wshadow -Werror -I/home/git/binutils-gdb/binutils/../zlib
-pipe -O3 -fno-fat-lto-objects -flto -Wl,-O1 -Wl,-z,relro -Wl,-s -o objdump
objdump.o dwarf.o prdbg.o rddbg.o debug.o stabs.o ieee.o rdcoff.o bucomm.o
version.o filemode.o elfcomm.o ../opcodes/libopcodes.la ../bfd/libbfd.la
../libiberty/libiberty.a -ldl
libtool: link: gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow
-Werror -I/home/git/binutils-gdb/binutils/../zlib -pipe -O3
-fno-fat-lto-objects -flto -Wl,-O1 -Wl,-z -Wl,relro -Wl,-s -o .libs/objdump
objdump.o dwarf.o prdbg.o rddbg.o debug.o stabs.o ieee.o rdcoff.o bucomm.o
version.o filemode.o elfcomm.o ../opcodes/.libs/libopcodes.so
-L/src/gcc/binutils-git-build/opcodes/../libiberty/pic ../bfd/.libs/libbfd.so
-L/src/gcc/binutils-git-build/bfd/../libiberty/pic
-L/src/gcc/binutils-git-build/zlib -liberty -lz ../libiberty/libiberty.a -ldl
/home/git/binutils-gdb/binutils/ieee.c: In function 'ieee_read_cxx_misc':
/home/git/binutils-gdb/binutils/ieee.c:2977:8: error: 'varargs' may be used
uninitialized in this function [-Werror=maybe-uninitialized]
type = debug_make_method_type (dhandle, return_type, it->type,
^
/home/git/binutils-gdb/binutils/ieee.c:2957:15: note: 'varargs' was declared
here
bfd_boolean varargs;
^
lto1: all warnings being treated as errors
lto-wrapper: gcc returned 1 exit status
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../x86_64-unknown-linux-gnu/bin/ld:
fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
Makefile:793: recipe for target 'objdump' failed
make[2]: *** [objdump] Error 1
/bin/sh ./libtool --tag=CC --mode=link gcc -W -Wall -Wstrict-prototypes
-Wmissing-prototypes -Wshadow -Werror -I/home/git/binutils-gdb/binutils/../zlib
-pipe -O3 -fno-fat-lto-objects -flto -Wl,-O1 -Wl,-z,relro -Wl,-s -o objcopy
objcopy.o not-strip.o rename.o rddbg.o debug.o stabs.o ieee.o rdcoff.o
wrstabs.o bucomm.o version.o filemode.o ../bfd/libbfd.la
../libiberty/libiberty.a -ldl
libtool: link: gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow
-Werror -I/home/git/binutils-gdb/binutils/../zlib -pipe -O3
-fno-fat-lto-objects -flto -Wl,-O1 -Wl,-z -Wl,relro -Wl,-s -o .libs/objcopy
objcopy.o not-strip.o rename.o rddbg.o debug.o stabs.o ieee.o rdcoff.o
wrstabs.o bucomm.o version.o filemode.o ../bfd/.libs/libbfd.so
-L/src/gcc/binutils-git-build/bfd/../libiberty/pic
-L/src/gcc/binutils-git-build/zlib -liberty -lz ../libiberty/libiberty.a -ldl
/home/git/binutils-gdb/binutils/ieee.c: In function 'ieee_read_cxx_misc':
/home/git/binutils-gdb/binutils/ieee.c:2977:8: error: 'varargs' may be used
uninitialized in this function [-Werror=maybe-uninitialized]
type = debug_make_method_type (dhandle, return_type, it->type,
^
/home/git/binutils-gdb/binutils/ieee.c:2957:15: note: 'varargs' was declared
here
bfd_boolean varargs;
^
lto1: all warnings being treated as errors
lto-wrapper: gcc returned 1 exit status
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../x86_64-unknown-linux-gnu/bin/ld:
fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
Makefile:790: recipe for target 'objcopy' failed
make[2]: *** [objcopy] Error 1
/bin/sh ./libtool --tag=CC --mode=link gcc -W -Wall -Wstrict-prototypes
-Wmissing-prototypes -Wshadow -Werror -I/home/git/binutils-gdb/binutils/../zlib
-pipe -O3 -fno-fat-lto-objects -flto -Wl,-O1 -Wl,-z,relro -Wl,-s -o readelf
readelf.o version.o unwind-ia64.o dwarf.o elfcomm.o ../libiberty/libiberty.a
-L./../zlib -lz -ldl
libtool: link: gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow
-Werror -I/home/git/binutils-gdb/binutils/../zlib -pipe -O3
-fno-fat-lto-objects -flto -Wl,-O1 -Wl,-z -Wl,relro -Wl,-s -o readelf readelf.o
version.o unwind-ia64.o dwarf.o elfcomm.o ../libiberty/libiberty.a
-L/src/gcc/binutils-git-build/zlib -lz -ldl
/home/git/binutils-gdb/binutils/readelf.c: In function
'load_specific_debug_section.part.13':
/home/git/binutils-gdb/zlib/inflate.c:121:20: error: 'strm.state' may be used
uninitialized in this function [-Werror=maybe-uninitialized]
state->lencode = state->distcode = state->next = state->codes;
^
/home/git/binutils-gdb/binutils/readelf.c:12049:12: note: 'strm.state' was
declared here
z_stream strm;
^
lto1: all warnings being treated as errors
lto-wrapper: gcc returned 1 exit status
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../x86_64-unknown-linux-gnu/bin/ld:
fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
Makefile:799: recipe for target 'readelf' failed
make[2]: *** [readelf] Error 1
/bin/sh ./libtool --tag=CC --mode=link gcc -W -Wall -Wstrict-prototypes
-Wmissing-prototypes -Wshadow -Werror -I/home/git/binutils-gdb/binutils/../zlib
-pipe -O3 -fno-fat-lto-objects -flto -Wl,-O1 -Wl,-z,relro -Wl,-s -o strip-new
objcopy.o is-strip.o rename.o rddbg.o debug.o stabs.o ieee.o rdcoff.o wrstabs.o
bucomm.o version.o filemode.o ../bfd/libbfd.la ../libiberty/libiberty.a -ldl
libtool: link: gcc -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow
-Werror -I/home/git/binutils-gdb/binutils/../zlib -pipe -O3
-fno-fat-lto-objects -flto -Wl,-O1 -Wl,-z -Wl,relro -Wl,-s -o .libs/strip-new
objcopy.o is-strip.o rename.o rddbg.o debug.o stabs.o ieee.o rdcoff.o wrstabs.o
bucomm.o version.o filemode.o ../bfd/.libs/libbfd.so
-L/src/gcc/binutils-git-build/bfd/../libiberty/pic
-L/src/gcc/binutils-git-build/zlib -liberty -lz ../libiberty/libiberty.a -ldl
/home/git/binutils-gdb/binutils/ieee.c: In function 'ieee_read_cxx_misc':
/home/git/binutils-gdb/binutils/ieee.c:2977:8: error: 'varargs' may be used
uninitialized in this function [-Werror=maybe-uninitialized]
type = debug_make_method_type (dhandle, return_type, it->type,
^
/home/git/binutils-gdb/binutils/ieee.c:2957:15: note: 'varargs' was declared
here
bfd_boolean varargs;
^
lto1: all warnings being treated as errors
lto-wrapper: gcc returned 1 exit status
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.9.2/../../../../x86_64-unknown-linux-gnu/bin/ld:
fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
Makefile:811: recipe for target 'strip-new' failed
make[2]: *** [strip-new] Error 1
make[2]: Target 'all-am' not remade because of errors.
make[2]: Leaving directory '/mnt/new/src/gcc/binutils-git-build/binutils'
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