[Bug gas/27215] as: Error: non-constant .uleb128 is not supported on riscv64

[wilson at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27215

--- Comment #6 from Jim Wilson <wilson at gcc dot gnu.org> ---
There is a problem if at least one label is in the text section.  So yes, we
could support this for debug info sections.  On the compiler side, there is no
way currently to tell the compiler that uleb128 is OK for debug section labels
but not text section labels.

All targets that do linker relaxation are broken with respect to uleb128 except
RISC-V.  The others just haven't noticed the problem yet.  The problem is more
noticeable for RISC-V than the other targets, because we do more linker
relaxation than most other targets.  See for instance
https://sourceware.org/bugzilla/show_bug.cgi?id=22756#c2 for some other linker
relaxation issues that are broken everywhere except RISC-V.

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