hg: valhalla/valhalla: 8218925: [lworld] C2 register allocator spills into reserved argument stack slots

[tobias.hartmann at oracle.com]

Changeset: 8d57934d7718
Author:    thartmann
Date:      2019-02-14 08:57 +0100
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/8d57934d7718

8218925: [lworld] C2 register allocator spills into reserved argument stack slots

! src/hotspot/share/opto/matcher.cpp
! test/hotspot/jtreg/compiler/valhalla/valuetypes/TestC2CCalls.java