hg: jdk8u/jdk8u/hotspot: 2 new changesets

[rob.mckenna at oracle.com]

Changeset: a57483d08d95
Author:    kevinw
Date:      2018-08-10 08:29 -0700
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/a57483d08d95

8209359: [8u] hotspot needs to recognise cl.exe 19.13 to build with VS2017.
Reviewed-by: tbell

! make/windows/makefiles/compile.make

Changeset: 2af8917ffbee
Author:    dbuck
Date:      2018-08-16 23:50 -0400
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/2af8917ffbee

8033251: Use DWARF debug symbols for Linux 32-bit as default
Reviewed-by: tbell

! make/linux/makefiles/gcc.make