Add a testcase for PR ld/14962

PR ld/14962
	* ld-elf/var1.d: New file.
	* ld-elf/var1.s: Likewise.
	* ld-elf/var1.t: Likewise.

ld/testsuite/ChangeLog

@@ -1,3 +1,10 @@
+2012-12-17  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/14962
+	* ld-elf/var1.d: New file.
+	* ld-elf/var1.s: Likewise.
+	* ld-elf/var1.t: Likewise.
+
 2012-12-16  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR ld/14968

ld/testsuite/ld-elf/var1.d

@@ -0,0 +1,10 @@
+#ld:  $srcdir/$subdir/var1.t --sort-section name
+#nm: -n
+
+#...
+0[0-9a-f]* D var1
+#...
+0[0-9a-f]* A var2
+#...
+0[0-9a-f]* D var3
+#pass

ld/testsuite/ld-elf/var1.s

@@ -0,0 +1,31 @@
+	.globl main
+	.globl start
+	.globl _start
+	.globl __start
+	.text
+main:
+start:
+_start:
+__start:
+	.byte 0
+	.globl	var3
+	.section	.data.var3,"aw",%progbits
+	.align 4
+	.type	var3, %object
+	.size	var3, 4
+var3:
+	.zero	4
+	.globl	var2
+	.section	.data.var2,"aw",%progbits
+	.align 16
+	.type	var2, %object
+	.size	var2, 16
+var2:
+	.zero	16
+	.globl	var1
+	.section	.data.var1,"aw",%progbits
+	.align 4
+	.type	var1, %object
+	.size	var1, 4
+var1:
+	.zero	4

ld/testsuite/ld-elf/var1.t

@@ -0,0 +1 @@
+var2 = var2 + 3;