From 43c001c7d638bde9f310fdc3a199e02036f7b205 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Tue, 22 Apr 2014 10:22:39 -0700
Subject: [PATCH] Add tests for PR ld/16846

	PR ld/16846
	* ld-plugin/lto.exp (lto_link_tests): Add tests for PR ld/16846.
	* ld-plugin/pr16846a.c: New file.
	* ld-plugin/pr16846b.c: Likewise.
	* ld-plugin/pr16846c.c: Likewise.
---
 ld/testsuite/ChangeLog            |  8 ++++++++
 ld/testsuite/ld-plugin/lto.exp    | 12 ++++++++++++
 ld/testsuite/ld-plugin/pr16846a.c |  7 +++++++
 ld/testsuite/ld-plugin/pr16846b.c |  7 +++++++
 ld/testsuite/ld-plugin/pr16846c.c |  1 +
 5 files changed, 35 insertions(+)
 create mode 100644 ld/testsuite/ld-plugin/pr16846a.c
 create mode 100644 ld/testsuite/ld-plugin/pr16846b.c
 create mode 100644 ld/testsuite/ld-plugin/pr16846c.c

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 5ac4d37a328..6fb55b204af 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2014-04-22  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/16846
+	* ld-plugin/lto.exp (lto_link_tests): Add tests for PR ld/16846.
+	* ld-plugin/pr16846a.c: New file.
+	* ld-plugin/pr16846b.c: Likewise.
+	* ld-plugin/pr16846c.c: Likewise.
+
 2014-04-22  Christian Svensson  <blue@cmd.nu>
 
 	* ld-discard/extern.d: Remove openrisc and or32 support.  Add
diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
index 1a525fce8e1..6ff474ebd15 100644
--- a/ld/testsuite/ld-plugin/lto.exp
+++ b/ld/testsuite/ld-plugin/lto.exp
@@ -139,6 +139,18 @@ set lto_link_tests {
   {"PR ld/15323"
    "" "-O2"
    {pr15323a.c} {} "libdummy.a" "c"}
+  {"Build libdummy.a(1) PR ld/pr16846"
+   "" "-flto"
+   {pr16846a.c pr16846b.c} {} "libdummy.a"}
+  {"Build libdummy.a(2) PR ld/pr16846"
+   "" ""
+   {pr16846c.c} {} "libdummy.a"}
+  {"PR ld/pr16846(1)"
+   "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846b.o tmpdir/pr16846c.o" ""
+   {dummy.c} {} "pr16846a.exe"}
+  {"PR ld/pr16846(2)"
+   "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846c.o tmpdir/pr16846b.o" ""
+   {dummy.c} {} "pr16846b.exe"}
 }
 
 if { [at_least_gcc_version 4 7] } {
diff --git a/ld/testsuite/ld-plugin/pr16846a.c b/ld/testsuite/ld-plugin/pr16846a.c
new file mode 100644
index 00000000000..2f119a4912a
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr16846a.c
@@ -0,0 +1,7 @@
+extern int bar (void);
+
+int
+main () 
+{
+  return bar ();
+}
diff --git a/ld/testsuite/ld-plugin/pr16846b.c b/ld/testsuite/ld-plugin/pr16846b.c
new file mode 100644
index 00000000000..bd8ddf3573f
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr16846b.c
@@ -0,0 +1,7 @@
+extern __thread int foo;
+
+int
+bar (void) 
+{
+  return foo;
+}
diff --git a/ld/testsuite/ld-plugin/pr16846c.c b/ld/testsuite/ld-plugin/pr16846c.c
new file mode 100644
index 00000000000..3f39c5bdb76
--- /dev/null
+++ b/ld/testsuite/ld-plugin/pr16846c.c
@@ -0,0 +1 @@
+__thread int foo;
-- 
2.30.2