coleenp [Mon, 28 Oct 2019 16:41:47 -0400] rev 58829
8086003: Test fails on OSX with java.lang.RuntimeException 'Narrow klass base: 0x0000000000000000, Narrow klass shift: 3' missing
Summary: Make the test reserve 1G rather than 3G, so it is more reliable.
Reviewed-by: hseigel, stuefe