[Bug target/94391] gcc refers to absolute symbols with R_X86_64_PC32 relocation

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94391

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|WONTFIX                     |WORKSFORME

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Yuxuan Shui from comment #0)
> Test case:
> 
> Source file (a.c):
>     extern char _binary_a_c_size[];
>     unsigned long foo() { return (unsigned long)_binary_a_c_size; }

Try

---
extern unsigned long _binary_a_c_size;
unsigned long foo() { return _binary_a_c_size; }
---

> Run:
>     objcopy -B i386:x86-64 -I binary -O elf64-x86-64 a.c b.o
>     gcc -fuse-ld=lld -fpie -pie a.c b.o
> 
> lld complains about:
> 
> ld.lld: error: relocation R_X86_64_PC32 cannot refer to absolute symbol:
> _binary_a_c_size

This is an lld bug.