hg: jdk/hs: 8201321: NMT: Unnecessary re-recording thread stack and size when attaching listener to JavaThread

[zgu at redhat.com]

Changeset: 01960eec4570
Author:    zgu
Date:      2018-04-10 08:15 -0400
URL:       http://hg.openjdk.java.net/jdk/hs/rev/01960eec4570

8201321: NMT: Unnecessary re-recording thread stack and size when attaching listener to JavaThread
Summary: Replaced recoding thread stack and size with assertion
Reviewed-by: dholmes, coleenp

! src/hotspot/share/services/attachListener.cpp