From edf8ce8db10521037045115f4cb9569a1477a40a Mon Sep 17 00:00:00 2001
From: David Linus Briemann <david.briemann@sap.com>
Date: Tue, 29 Apr 2025 11:57:37 +0000
Subject: [PATCH] 8355739: AssertionError: Invalid CPU feature name after
 8353786

Reviewed-by: vlivanov, shade, mdoerr
---
 .../share/classes/jdk/incubator/vector/CPUFeatures.java        | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/CPUFeatures.java b/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/CPUFeatures.java
index 1d44860ab86..c0d8ef03ada 100644
--- a/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/CPUFeatures.java
+++ b/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/CPUFeatures.java
@@ -42,6 +42,9 @@ import static jdk.internal.vm.vector.Utils.debug;
     private static Set<String> getCPUFeatures() {
         String featuresString = VectorSupport.getCPUFeatures();
         debug(featuresString);
+
+        if (featuresString.equals("")) return Set.of();
+
         String[] features = featuresString.toLowerCase(Locale.ROOT)
                                           .split(",? "); // " " or ", " are used as a delimiter by JVM
         assert validateFeatures(features);