[Bug binutils/10492] New: strip -g breaks objects with STB_GNU_UNIQUE

[jakub at redhat dot com]

cat > x.s <<\EOF
.section.data.rel.ro,"aw",@progbits
.align 16
.type_ZZ3fooiE1t, @object
.size_ZZ3fooiE1t, 16
_ZZ3fooiE1t:
.quad_ZN1AIiE1aE
.quad0
.weak_ZN1AIiE1aE
.section.rodata._ZN1AIiE1aE,"aG",@progbits,_ZN1AIiE1aE,comdat
.align 4
.type_ZN1AIiE1aE, @gnu_unique_object
.size_ZN1AIiE1aE, 4
_ZN1AIiE1aE:
.long16
.section.note.GNU-stack,"",@progbits
EOF
sed 's/foo/bar/g' x.s > y.s
gas/as-new -o x.o x.s
gas/as-new -o y.o y.s
ld/ld-new -shared -nostdlib -o x.so x.o y.o; echo $?
cp -a y.o z.o
binutils/strip-new -g z.o
ld/ld-new -shared -nostdlib -o x.so x.o z.o; echo $?

The first link is fine, but the second complains.
0
`_ZN1AIiE1aE' referenced in section `.data.rel.ro' of z.o: defined in discarded
section `.rodata._ZN1AIiE1aE[_ZN1AIiE1aE]' of z.o
1
The only difference is that one of the objects has been strip -g'ed in between.

-- 
           Summary: strip -g breaks objects with STB_GNU_UNIQUE
           Product: binutils
           Version: 2.20 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: binutils
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: jakub at redhat dot com
                CC: bug-binutils at gnu dot org
GCC target triplet: x86_64-linux


http://sourceware.org/bugzilla/show_bug.cgi?id=10492

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