[Bug ld/31158] ld: Should --gc-sections respect RHS of a symbol assignment?

[amodra at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=31158

--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
(In reply to Fangrui Song from comment #0)
> Perhaps gold and lld's behavior make more sense?
No.  There is no use of x or bar in your testcase.

If you change it to
cat > a.s <<e
.globl _start; _start: .dc.a x
.section .rodata.bar, "a"
.global bar; bar: .quad 0x1122334455667788
e
echo 'x = bar;' > a.t
ld.bfd --gc-sections a.o a.t -o a.bfd

then .rodata.bar is kept.  I believe that is the proper behaviour, and the
other linkers wrong.

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