https://sourceware.org/bugzilla/show_bug.cgi?id=23527
Sergei Trofimovich <slyfox at inbox dot ru> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #4 from Sergei Trofimovich <slyfox at inbox dot ru> ---
Thank you! Looks like newest clang already adopted the change.
Closing as INVALID. I'll try to find exact llvm commit that fixed it.
$ cat a.c
void a(void) __attribute__((visibility("protected")));
void a(void){}
$ cat b.c
void a(void) __attribute__((visibility("protected")));
void b(void) __attribute__((visibility("protected")));
void b(void) { a(); }
$ cat a.sh
#!/bin/bash
for cc in gcc clang-8 clang-6.0; do
echo "cc=$cc"
$cc -O2 -fPIC -c a.c -o a.$cc.o
$cc -O2 -fPIC -c b.c -o b.$cc.o
#objdump -d -r a.o b.o
ld -shared \
-fPIC \
-o lib.$cc.so \
a.$cc.o b.$cc.o "$@"
done
$ LANG=C ./a.sh
cc=gcc
cc=clang-8
cc=clang-6.0
ld: b.clang-6.0.o: relocation R_X86_64_PC32 against protected symbol `a' can
not be used when making a shared object
ld: final link failed: bad value
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