https://llvm.org/bugs/show_bug.cgi?id=31476
Bug ID: 31476
Summary: LLD failed to link symbols with "protected" visibility
Product: lld
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: ELF
Assignee: unassignedb...@nondot.org
Reporter: mail+l...@tzik.jp
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
On ToT LLD, I hit a link error when I try to use protected symbol in a .so from
an elf binary.
Here is a repro:
$ cat > foo.c <<EOF
void foo() {}
EOF
$ clang -shared -fPIC -fvisibility=protected -o libfoo.so foo.c
$ cat > bar.c <<EOF
void foo();
int main() {
foo();
return 0;
}
EOF
$ clang -fuse-ld=lld bar.c libfoo.so
ld.lld: error: bar.c:(function main): cannot preempt symbol 'foo' defined in
libfoo.so
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