arm.c (arm_function_ok_for_sibcall): Add another check for NULL decl.

	* config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
	for NULL decl.

From-SVN: r237903

gcc/ChangeLog

+2016-07-01  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* config/arm/arm.c (arm_function_ok_for_sibcall): Add another check
+	for NULL decl.
+
 2016-06-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	PR target/71677

gcc/config/arm/arm.c

@@ -6756,7 +6756,7 @@ arm_function_ok_for_sibcall (tree decl, tree exp)
 
   /* The PIC register is live on entry to VxWorks PLT entries, so we
      must make the call before restoring the PIC register.  */
-  if (TARGET_VXWORKS_RTP && flag_pic && !targetm.binds_local_p (decl))
+  if (TARGET_VXWORKS_RTP && flag_pic && decl && !targetm.binds_local_p (decl))
     return false;
 
   /* If we are interworking and the function is not declared static