OpenJDK in core-updates

[Andreas Enge]

Hello,

something we have done recently in core-updates breaks the build of OpenJDK,
already at version 9. If someone could have a look, that would be great!

Andreas


/tmp/guix-build-openjdk-9.181.drv-0/source/hotspot/src/share/vm/opto/lcm.cpp: 
In function ‘bool accesses_heap_base_zone(Node*)’:
/tmp/guix-build-openjdk-9.181.drv-0/source/hotspot/src/share/vm/opto/lcm.cpp:42:35:
 error: ordered comparison of pointer with integer zero (‘address’ {aka 
‘unsigned char*’} and ‘int’)
   42 |   if (Universe::narrow_oop_base() > 0) { // Implies UseCompressedOops.
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
make[3]: *** [lib/CompileJvm.gmk:209: 
/tmp/guix-build-openjdk-9.181.drv-0/source/build/linux-x86_64-normal-server-release/hotspot/variant-server/libjvm/objs/lcm.o]
 Error 1

Hm, it might be enough to replace "> 0" by "!= NULL" ?