8381865: Fix debug build failure caused by not clearing CPU_APX_F feature after JDK-8364584

Srinivas Vamsi Parasa · Srinivas Vamsi Parasa · commit dc8163052ce6 · 2026-04-08T20:52:28.000Z
Reviewed-by: sviswanathan, kvn, asmehra
diff --git a/src/hotspot/cpu/x86/vm_version_x86.cpp b/src/hotspot/cpu/x86/vm_version_x86.cpp
@@ -1098,6 +1098,7 @@ void VM_Version::get_processor_features() {
   if (supports_apx_f() && os_supports_apx_egprs() && supports_avx512vl()) {
     if (FLAG_IS_DEFAULT(UseAPX)) {
       UseAPX = false; // by default UseAPX is false
+      _features.clear_feature(CPU_APX_F);
     } else if (!UseAPX) {
       _features.clear_feature(CPU_APX_F);
     }

Original file line number	Diff line number	Diff line change
`@@ -1098,6 +1098,7 @@ void VM_Version::get_processor_features() {`
`1098`	`1098`	`if (supports_apx_f() && os_supports_apx_egprs() && supports_avx512vl()) {`
`1099`	`1099`	`if (FLAG_IS_DEFAULT(UseAPX)) {`
`1100`	`1100`	`UseAPX = false; // by default UseAPX is false`
	`1101`	`+ _features.clear_feature(CPU_APX_F);`
`1101`	`1102`	`} else if (!UseAPX) {`
`1102`	`1103`	`_features.clear_feature(CPU_APX_F);`
`1103`	`1104`	`}`