[Bug ld/21401] New: -shared -z now doesn't work with undefined IFUNC

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21401

            Bug ID: 21401
           Summary: -shared -z now doesn't work with undefined IFUNC
           Product: binutils
           Version: 2.29 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---

address@hidden foo]$ cat foo.c
extern int library_func2 (void);
int foo (void) { library_func2 (); return 0; }
__asm__(".type library_func2, %gnu_indirect_function");
address@hidden foo]$ make
gcc  -B./ -O2 -fPIC   -c -o foo.o foo.c
./ld -shared -z now -o foo.so  foo.o
./ld: BFD (GNU Binutils) 2.28.51.20170418 internal error, aborting at
/export/gnu/import/git/sources/binutils-gdb-linux/bfd/elf64-x86-64.c:6019 in
elf_x86_64_finish_dynamic_symbol

./ld: Please report this bug.

Makefile:14: recipe for target 'foo.so' failed
make: *** [foo.so] Error 1
address@hidden foo]$

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