Don't change indirect symbol defined in IR to undefined if it is
referenced from shared object.
bfd/
PR ld/28879
* elflink.c (_bfd_elf_merge_symbol): Don't change indirect
symbol defined in IR to undefined if it is referenced from
shared object.
ld/
PR ld/28879
* testsuite/ld-plugin/lto.exp: Run PR ld/28879 tests.
* testsuite/ld-plugin/pr28879a.cc: New file.
* testsuite/ld-plugin/pr28879b.cc: Likewise.
h->root.non_ir_ref_dynamic = true;
hi->root.non_ir_ref_dynamic = true;
}
-
- if ((oldbfd->flags & BFD_PLUGIN) != 0
- && hi->root.type == bfd_link_hash_indirect)
+ else if ((oldbfd->flags & BFD_PLUGIN) != 0
+ && hi->root.type == bfd_link_hash_indirect)
{
/* Change indirect symbol from IR to undefined. */
hi->root.type = bfd_link_hash_undefined;
[list {pr27441c.so} \
{-shared -fPIC -Wl,--as-needed tmpdir/pr27441c.o tmpdir/pr27441b.so tmpdir/pr27441a.so} {-fPIC} \
{dummy.c} {{readelf {-dW} pr27441c.d}} {pr27441c.so}] \
+ [list \
+ "Build libpr28879a.so" \
+ "-shared" \
+ "-O0 -fpic" \
+ {pr28879a.cc} \
+ {} \
+ "libpr28879a.so" \
+ "c++" \
+ ] \
+ [list \
+ "Build libpr28879b.so" \
+ "-shared -Wl,--no-as-needed tmpdir/libpr28879a.so" \
+ "-O2 -fpic" \
+ {dummy.c} \
+ {} \
+ "libpr28879b.so" \
+ ] \
+ [list \
+ "Build pr28879" \
+ "-Wl,--no-as-needed tmpdir/libpr28879b.so -Wl,-rpath-link,." \
+ "-O0 -flto -D_GLIBCXX_ASSERTIONS" \
+ {pr28879b.cc} \
+ {} \
+ "pr28879" \
+ "c++" \
+ ] \
]
# PR 14918 checks that libgcc is not spuriously included in a shared link of
--- /dev/null
+#include <string>
+
+void
+func (std::string *s)
+{
+ delete s;
+}
--- /dev/null
+#include <string>
+
+int
+main (void)
+{
+ std::string header;
+ return 0;
+}