Running runtime/Thread/TestSpinPause.java on GraalVM triggers this assertion:

# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (workspace/open/src/hotspot/share/compiler/compilerDefinitions.inline.hpp:60), pid=955879, tid=955898
# assert(is_jvmci_compiler() && is_jvmci() || !is_jvmci_compiler()) failed: JVMCI compiler implies enabled JVMCI
#
# JRE version: (21.0+1) (fastdebug build )
# Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 21-galahadee+1-LTS-48, interpreted mode, sharing, jvmci compiler, compressed oops, compressed class ptrs, g1 gc, linux-aarch64)
# Problematic frame:
# V [libjvm.so+0x15f3ef8] TemplateTable::getfield_or_static(int, bool, TemplateTable::RewriteControl)+0xa98
#

The fix is trivial:

diff --git a/src/hotspot/share/compiler/compilerDefinitions.cpp b/src/hotspot/share/compiler/compilerDefinitions.cpp
index 97e54e3acf5..23af57f3910 100644
--- a/src/hotspot/share/compiler/compilerDefinitions.cpp
+++ b/src/hotspot/share/compiler/compilerDefinitions.cpp
@@ -545,7 +545,7 @@ bool CompilerConfig::check_args_consistency(bool status) {
       FLAG_SET_DEFAULT(SegmentedCodeCache, false);
     }
 #if INCLUDE_JVMCI
- if (EnableJVMCI) {
+ if (EnableJVMCI || UseJVMCICompiler) {
       if (!FLAG_IS_DEFAULT(EnableJVMCI) || !FLAG_IS_DEFAULT(UseJVMCICompiler)) {
         warning("JVMCI Compiler disabled due to -Xint.");
       }