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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<tr><td><span title='2024-06-11 23:04:00 -0500'>2024-06-11</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=30f0faafc4b1cb092d50b58b38db7435c8dbcfeb'>gnu: dmenu: Update to 0.5.3.</a><span class='msg-avail'>...</span></td><td>jgart</td></tr>
<tr><td><span title='2024-06-11 22:57:25 -0500'>2024-06-11</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=330453d8f815a4930928f3cc32f8759f7a14cc49'>gnu: st: Update to 0.9.2.</a><span class='msg-avail'>...</span></td><td>jgart</td></tr>
<tr><td><span title='2024-06-11 21:21:46 -0500'>2024-06-11</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=d8f1ee6bc82ef75fc3b80ce0efd9dd95cd296de6'>gnu: dwm: Update to 6.5.</a><span class='msg-avail'>...</span></td><td>jgart</td></tr>
<tr><td><span title='2024-04-23 14:31:58 +0100'>2024-04-23</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=fca358e78f0602de25c399a9d5ab772270e091d7'>gnu: Correct license for five suckless packages.</a><span class='msg-avail'>...</span></td><td>Mike Delago</td></tr>
<tr><td><span title='2024-04-07 19:36:51 +0100'>2024-04-07</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=1acd3cdc9e18ae1b2994263d738c309166df919a'>gnu: Add xssstate.</a><span class='msg-avail'>...</span></td><td>Ivan Vilata-i-Balaguer</td></tr>
<tr><td><span title='2024-03-31 21:25:52 -0400'>2024-03-31</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=6e2db85ca83528199a46b002d2592bd4bef017c8'>gnu: Add libgrapheme.</a><span class='msg-avail'>...</span></td><td>cage</td></tr>
<tr><td><span title='2024-03-30 09:47:43 +0100'>2024-03-30</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=a915a57d91c54e926b625f98833dead8263607b0'>Merge branch 'gnome-team'</a></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2024-03-27 12:39:28 +0000'>2024-03-27</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=9fa8c53625756f9a32c5832d92fd54d7c34b8b70'>gnu: slock: Fix cross-compiling.</a><span class='msg-avail'>...</span></td><td>Zheng Junjie</td></tr>
<tr><td><span title='2024-01-14 17:23:44 +0100'>2024-01-14</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=1682264fdafbfa15925cce3d0d11cbca26696e6d'>Merge branch 'master' into gnome-team</a></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2024-01-12 16:31:52 +0100'>2024-01-12</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=c4fa3e945eee84f0459760f3ba8232dec49bd1ba'>gnu: sfeed: Update to 2.0.</a><span class='msg-avail'>...</span></td><td>Clément Lassieur</td></tr>
<tr><td><span title='2023-12-03 07:20:53 +0100'>2023-12-03</span></td><td><a href='/guix/commit/gnu/packages/suckless.scm?id=4c323c2f8308bba0e3295f3109d159c7b8f72838'>Merge branch 'master' into HEAD</a><span class='msg-avail'>...</span></td><td>Liliana Marie Prikler</td></tr>