PATCH: PR ld/14272: Mark the plugin symbol undefined

[H.J. Lu]

On Wed, Feb 4, 2015 at 3:08 AM, Alan Modra <amodra@gmail.com> wrote:
> On Tue, Feb 03, 2015 at 09:06:47AM -0800, H.J. Lu wrote:
>>       PR ld/12365
>>       * ld-plugin/pr12365a.c: New file.
>>       * ld-plugin/pr12365b.c: Likewise.
>>       * ld-plugin/pr12365c.c: Likewise.
>
> The testcase fails when using gcc-5.  Also, gcc-5 objects don't seem
> exercise your _bfd_elf_fix_symbol_flags code.  I presume you need an
> older version of gcc, with lto bugs, to need those hacks.  Is that
> true?  Can you write a testcase that does exercise your
> _bfd_elf_fix_symbol_flags code?
>

The -flto-partition default was changed.  I checked in this patch
to pass -flto-partition=none to the PR ld/12365 test.


-- 
H.J.
----
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 876bafa..1041bd1 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-02-04  H.J. Lu  <hongjiu.lu@intel.com>
+
+ *  ld-plugin/lto.exp: Pass -flto-partition=none to the PR
+ ld/12365 test.
+
 2015-02-03  H.J. Lu  <hongjiu.lu@intel.com>

  PR ld/12365
diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
index 400e683..065e1bb 100644
--- a/ld/testsuite/ld-plugin/lto.exp
+++ b/ld/testsuite/ld-plugin/lto.exp
@@ -384,7 +384,7 @@ if {![string match "" $catch_output]} {
 if { [at_least_gcc_version 4 7] } {
     # Check expected LTO linker errors.
     set testname "PR ld/12365"
-    set exec_output [run_host_cmd "$CC" "-O2 -flto
-fuse-linker-plugin tmpdir/pr12365a.o tmpdir/pr12365b.o
tmpdir/pr12365c.o"]
+    set exec_output [run_host_cmd "$CC" "-O2 -flto
-flto-partition=none -fuse-linker-plugin tmpdir/pr12365a.o
tmpdir/pr12365b.o tmpdir/pr12365c.o"]
     if { [ regexp "undefined reference to `my_bcopy'" $exec_output ] } {
  pass $testname
     } {