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-rw-r--r--bfd/ChangeLog6
-rw-r--r--bfd/elflink.c9
-rw-r--r--ld/ChangeLog7
-rw-r--r--ld/testsuite/ld-plugin/lto.exp6
-rw-r--r--ld/testsuite/ld-plugin/pr23958.c6
-rw-r--r--ld/testsuite/ld-plugin/pr23958.t4
6 files changed, 38 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 85277a1..aa8be34 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2018-12-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/23958
+ * elflink.c (_bfd_elf_add_default_symbol): Override the previous
+ definition from IR object.
+
2018-12-08 Stafford Horne <shorne@gmail.com>
* elf32-or1k.c (or1k_grok_prstatus): New function.
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 4eca389..8992a50 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -1941,6 +1941,15 @@ _bfd_elf_add_default_symbol (bfd *abfd,
if (! bfd_link_relocatable (info))
{
bh = &hi->root;
+ if (bh->type == bfd_link_hash_defined
+ && (bh->u.def.section->owner->flags & BFD_PLUGIN) != 0)
+ {
+ /* Mark the previous definition from IR object as
+ undefined so that the generic linker will override
+ it. */
+ bh->type = bfd_link_hash_undefined;
+ bh->u.undef.abfd = bh->u.def.section->owner;
+ }
if (! (_bfd_generic_link_add_one_symbol
(info, abfd, shortname, BSF_INDIRECT,
bfd_ind_section_ptr,
diff --git a/ld/ChangeLog b/ld/ChangeLog
index c8c48c5..75c9c7d 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,5 +1,12 @@
2018-12-07 H.J. Lu <hongjiu.lu@intel.com>
+ PR ld/23958
+ * testsuite/ld-plugin/lto.exp: Run PR ld/23958 test.
+ * testsuite/ld-plugin/pr23958.c: New file.
+ * testsuite/ld-plugin/pr23958.t: Likewise.
+
+2018-12-07 H.J. Lu <hongjiu.lu@intel.com>
+
* NEWS: Updated for property change report.
* ld.texi: Document property change report.
* ldmain.c (main): Set link_info.has_map_file to TRUE when
diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
index 008bde7..b56bd63 100644
--- a/ld/testsuite/ld-plugin/lto.exp
+++ b/ld/testsuite/ld-plugin/lto.exp
@@ -225,6 +225,12 @@ set lto_link_tests [list \
{pr23818a.c pr23818b.c} \
{{"readelf" {-s --wide} "pr23818.d"}} \
"libpr23818.so"] \
+ [list "Build libpr23958.so" \
+ "-shared -flto -Wl,-version-script,pr23958.t" \
+ "-g -flto $lto_fat" \
+ {pr23958.c} \
+ "" \
+ "libpr23958.so"] \
]
if { [at_least_gcc_version 4 7] } {
diff --git a/ld/testsuite/ld-plugin/pr23958.c b/ld/testsuite/ld-plugin/pr23958.c
new file mode 100644
index 0000000..656dc31
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr23958.c
@@ -0,0 +1,6 @@
+void
+dwarf_bytesize (void)
+{
+}
+
+asm (".symver dwarf_bytesize,dwarf_bytesize@@@ELFUTILS_0.143");
diff --git a/ld/testsuite/ld-plugin/pr23958.t b/ld/testsuite/ld-plugin/pr23958.t
new file mode 100644
index 0000000..d3af1ae
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr23958.t
@@ -0,0 +1,4 @@
+ELFUTILS_0.143 {
+global:
+ dwarf_bytesize;
+};