Avoid ordered comparison of pointer with integer to prevent compile error
with GCC 11.

diff --git a/src/share/vm/opto/lcm.cpp b/src/share/vm/opto/lcm.cpp
--- a/src/share/vm/opto/lcm.cpp
+++ b/src/share/vm/opto/lcm.cpp
@@ -60,7 +60,7 @@
 // Check whether val is not-null-decoded compressed oop,
 // i.e. will grab into the base of the heap if it represents NULL.
 static bool accesses_heap_base_zone(Node *val) {
-  if (Universe::narrow_oop_base() > 0) { // Implies UseCompressedOops.
+  if (Universe::narrow_oop_base() != NULL) { // Implies UseCompressedOops.
     if (val && val->is_Mach()) {
       if (val->as_Mach()->ideal_Opcode() == Op_DecodeN) {
         // This assumes all Decodes with TypePtr::NotNull are matched to nodes that
diff --git a/src/share/vm/runtime/virtualspace.cpp b/src/share/vm/runtime/virtualspace.cpp
--- a/src/share/vm/runtime/virtualspace.cpp
+++ b/src/share/vm/runtime/virtualspace.cpp
@@ -527,7 +527,7 @@ ReservedHeapSpace::ReservedHeapSpace(size_t size, size_t alignment,
                 (UseCompressedOops && (Universe::narrow_oop_base() != NULL) &&
                  Universe::narrow_oop_use_implicit_null_checks()) ?
                   lcm(os::vm_page_size(), alignment) : 0) {
-  if (base() > 0) {
+  if (base() != NULL) {
     MemTracker::record_virtual_memory_type((address)base(), mtJavaHeap);
   }
 
@@ -546,7 +546,7 @@ ReservedHeapSpace::ReservedHeapSpace(const size_t prefix_size,
                 (UseCompressedOops && (Universe::narrow_oop_base() != NULL) &&
                  Universe::narrow_oop_use_implicit_null_checks()) ?
                   lcm(os::vm_page_size(), prefix_align) : 0) {
-  if (base() > 0) {
+  if (base() != NULL) {
     MemTracker::record_virtual_memory_type((address)base(), mtJavaHeap);
   }
 
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<div class='path'>path: <a href='/guix/log/?id=baef0f8bb3d46fe78e6347200560972f21c057c2'>root</a>/<a href='/guix/log/tests?id=baef0f8bb3d46fe78e6347200560972f21c057c2'>tests</a>/<a href='/guix/log/tests/guix-download.sh?id=baef0f8bb3d46fe78e6347200560972f21c057c2'>guix-download.sh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/guix-download.sh?id=baef0f8bb3d46fe78e6347200560972f21c057c2&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
ap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/aux-files/python?id=9620b9d29858c05c774c15c3011bd610ce7ab671&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-04-14 21:01:34 -0400'>2023-04-14</span></td><td><a href='/guix/commit/gnu/packages/aux-files/python?id=3c8a4d64ffb9fe80ffbb32981bae72b0e690b0fa'>maint: Merge sanity-check-next.py into sanity-check.py.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/aux-files/python/sanity-check-next.py: Rename to...
* gnu/packages/aux-files/python/sanity-check.py: ... this.
* guix/build-system/pyproject.scm (sanity-check.py): Adjust file name.
* Makefile.am (AUX_FILES): De-register sanity-check-next.py.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-10-27 19:43:06 +0200'>2022-10-27</span></td><td><a href='/guix/commit/gnu/packages/aux-files/python?id=400a7a4c80efbde1905ae98a298bbb5882d46a0d'>build-system: Add pyproject-build-system.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is an experimental build system based on python-build-system
that implements PEP 517-compliant builds.

* doc/guix.texi (Build Systems): Add pyproject-build-system section.
* doc/contributing.texi (Python Modules): Mention pyproject.toml and the
PYTHON-TOOLCHAIN package, as well as differences to python-build-system.
* guix/build-system/pyproject.scm,
guix/build/pyproject-build-system.scm,
gnu/packages/aux-files/python/sanity-check-next.py,
gnu/packages/python-commencement.scm: New files.
* Makefile.am (MODULES): Register the new build systems.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add python-commencement.scm.
* gnu/packages/python.scm (python-sans-pip, python-sans-pip-wrapper): New
variables.

Co-authored-by: Marius Bakke &lt;marius@gnu.org&gt;
</span></span></td><td>Lars-Dominik Braun</td></tr>