[Bug ld/20103] New: Program received signal SIGSEGV, Segmentation fault

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20103

            Bug ID: 20103
           Summary: Program received signal SIGSEGV, Segmentation fault
           Product: binutils
           Version: 2.27 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---

With clang 3.9.0 on x86-64, I got

address@hidden opt]$ cat dead.c
void dead()
{
}
address@hidden opt]$ cat live.c
extern void dead ();

void live()
{
  dead ();
}
address@hidden opt]$ cat main.c
void live();

int
_start ()
{
    live();
    return 0;
}
address@hidden opt]$ make
/export/build/gnu/llvm-clang-bootstrap/stage3/build-x86_64-linux/bin/clang -c
-flto -o main.o main.c
/export/build/gnu/llvm-clang-bootstrap/stage3/build-x86_64-linux/bin/llvm-ar
scr main.a main.o
/export/build/gnu/llvm-clang-bootstrap/stage3/build-x86_64-linux/bin/clang -c
-flto -o dead.o dead.c
/export/build/gnu/llvm-clang-bootstrap/stage3/build-x86_64-linux/bin/llvm-ar
scr dead.a dead.o
/export/build/gnu/llvm-clang-bootstrap/stage3/build-x86_64-linux/bin/clang -c
-flto -o live.o live.c
/export/build/gnu/llvm-clang-bootstrap/stage3/build-x86_64-linux/bin/llvm-ar
scr live.a live.o
/export/build/gnu/llvm-clang-bootstrap/stage3/build-x86_64-linux/bin/clang -O0
-nostdlib -nostartfiles -fuse-ld=bfd -flto -static -o test main.a dead.a live.a
clang-3.9: error: unable to execute command: Segmentation fault
clang-3.9: error: linker command failed due to signal (use -v to see
invocation)
Makefile:29: recipe for target 'test' failed
make: *** [test] Error 254
rm live.o main.o dead.o
address@hidden opt]$ 

Program received signal SIGSEGV, Segmentation fault.
0x0000000000448d5a in bfd_set_gp_size (abfd=0x8987f0, i=8)
    at /export/gnu/import/git/sources/binutils-gdb/bfd/bfd.c:1260
1260        elf_gp_size (abfd) = i;
Missing separate debuginfos, use: dnf debuginfo-install
libgcc-5.3.1-6.0.fc23.x86_64 libstdc++-5.3.1-6.0.fc23.x86_64
ncurses-libs-5.9-21.20150214.fc23.x86_64 zlib-1.2.8-9.fc23.x86_64
(gdb) bt
#0  0x0000000000448d5a in bfd_set_gp_size (abfd=0x8987f0, i=8)
    at /export/gnu/import/git/sources/binutils-gdb/bfd/bfd.c:1260
#1  0x0000000000417a58 in ldlang_add_file (entry=0x863c20)
    at /export/gnu/import/git/sources/binutils-gdb/ld/ldlang.c:6367
#2  0x000000000041d76c in add_archive_element (info=0x835c40 <link_info>, 
    abfd=0x8987f0, name=0x8965b0 "dead", subsbfd=0x7fffffffd7f8)
    at /export/gnu/import/git/sources/binutils-gdb/ld/ldmain.c:811
#3  0x0000000000492379 in elf_link_add_archive_symbols (abfd=0x8943d0, 
    info=0x835c40 <link_info>)
    at /export/gnu/import/git/sources/binutils-gdb/bfd/elflink.c:5279
#4  0x00000000004924d2 in bfd_elf_link_add_symbols (abfd=0x8943d0, 
    info=0x835c40 <link_info>)
    at /export/gnu/import/git/sources/binutils-gdb/bfd/elflink.c:5335
#5  0x00000000004112d6 in load_symbols (entry=0x8372d0, place=0x7fffffffd920)
    at /export/gnu/import/git/sources/binutils-gdb/ld/ldlang.c:2874
#6  0x0000000000411f9e in open_input_bfds (s=0x8372d0, mode=OPEN_BFD_RESCAN)
    at /export/gnu/import/git/sources/binutils-gdb/ld/ldlang.c:3323
#7  0x0000000000418596 in lang_process ()
    at /export/gnu/import/git/sources/binutils-gdb/ld/ldlang.c:6880
#8  0x000000000041c90a in main (argc=24, argv=0x7fffffffdb68)
    at /export/gnu/import/git/sources/binutils-gdb/ld/ldmain.c:415
(gdb)

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