hg: jdk/jdk: 8204652: [aix] fix thread stack allocation, too big stack sizes not recognized

[goetz.lindenmaier at sap.com]

Changeset: 9c361050293f
Author:    goetz
Date:      2018-06-10 17:26 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/9c361050293f

8204652: [aix] fix thread stack allocation, too big stack sizes not recognized
Reviewed-by: stuefe, dholmes

! src/hotspot/os/aix/os_aix.cpp