Add a testcase for PR ld/14918

PR ld/14918
	* ld-plugin/lto.exp (lto_link_elf_tests): Add PR ld/14918 test.

	* ld-plugin/pr14918.c: New file.
	* ld-plugin/pr14918.d: Likewise.

ld/testsuite/ChangeLog

@@ -1,3 +1,11 @@
+2015-02-03  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/14918
+	* ld-plugin/lto.exp (lto_link_elf_tests): Add PR ld/14918 test.
+
+	* ld-plugin/pr14918.c: New file.
+	* ld-plugin/pr14918.d: Likewise.
+
 2015-01-29  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* lib/ld-lib.exp (ar_simple_create): Move -rc before $aropts.

ld/testsuite/ld-plugin/lto.exp

@@ -247,6 +247,9 @@ set lto_link_elf_tests [list \
   [list "PR ld/16746 (2)" \
    "-O2 -flto -fuse-linker-plugin tmpdir/pr16746c.o tmpdir/pr16746a.o" "-O2 -flto" \
    {dummy.c} {} "pr16746b.exe"] \
+  [list "PR ld/14918" \
+   "-flto" "-flto" \
+   {pr14918.c} {{"readelf" {-d --wide} "pr14918.d"}} "pr14918.exe" "c"] \
 ]
 
 # Check final symbols in executables.

ld/testsuite/ld-plugin/pr14918.c

@@ -0,0 +1,5 @@
+int
+main ()
+{
+  return 0;
+}

ld/testsuite/ld-plugin/pr14918.d

@@ -0,0 +1,4 @@
+#failif
+#...
+ 0x0+1 \(NEEDED\) +Shared library: \[libgcc_s.so.[0-9]+\]
+#...