With this change, the code in bug #15609 compiles and runs properly:

0000000000401070 <main.jump>:
  401070:	ff 15 aa 7e 06 00    	callq  *0x67eaa(%rip)        # 468f20 <main.pointer>
  401076:	c3                   	retq

0000000000468f20 g     O .rodata	0000000000000008 main.pointer

Fixes #15609

Change-Id: Iebb4d5a9f9fff335b693f4efcc97882fe04eefd7
Reviewed-on: https://go-review.googlesource.com/22950
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>