From d60a93159ca0d9c525974c5038210ee277f9fdad Mon Sep 17 00:00:00 2001
From: Josef Haider <josef.haider@oracle.com>
Date: Mon, 24 Feb 2025 16:09:49 +0100
Subject: [PATCH] Stop processing on malformed input in IntrinsicStubProcessor

---
 .../compiler/lir/processor/IntrinsicStubProcessor.java     | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/compiler/src/jdk.graal.compiler.processor/src/jdk/graal/compiler/lir/processor/IntrinsicStubProcessor.java b/compiler/src/jdk.graal.compiler.processor/src/jdk/graal/compiler/lir/processor/IntrinsicStubProcessor.java
index ee3f6b551478..e045a8bc1ce4 100644
--- a/compiler/src/jdk.graal.compiler.processor/src/jdk/graal/compiler/lir/processor/IntrinsicStubProcessor.java
+++ b/compiler/src/jdk.graal.compiler.processor/src/jdk/graal/compiler/lir/processor/IntrinsicStubProcessor.java
@@ -72,6 +72,7 @@ enum TargetVM {
     private TypeElement generateStub;
     private TypeElement generateStubs;
     private TypeMirror constantNodeParameter;
+    private boolean malformedInput = false;
 
     @Override
     public Set<String> getSupportedAnnotationTypes() {
@@ -182,7 +183,9 @@ protected boolean doProcess(Set<? extends TypeElement> annotations, RoundEnviron
                     }
                     classes.add(new GenerateStubClass(source, stubs, minimumFeatureGetters.keySet()));
                 }
-                createStubs(this, targetVM, (TypeElement) holder, classes);
+                if (!malformedInput) {
+                    createStubs(this, targetVM, (TypeElement) holder, classes);
+                }
             }
         }
         return true;
@@ -198,6 +201,7 @@ private void extractStubs(TargetVM targetVM,
         if (getAnnotation(method, nodeIntrinsic.asType()) == null) {
             String msg = String.format("methods annotated with %s must also be annotated with %s", annotation, nodeIntrinsic);
             env().getMessager().printMessage(Diagnostic.Kind.ERROR, msg, method, annotation);
+            malformedInput = true;
         }
         RuntimeCheckedFlagsMethod rtc = findRuntimeCheckedFlagsVariant(this, source, method, annotation);
         for (AnnotationMirror generateStubAnnotationValue : generateStubAnnotations) {
@@ -232,6 +236,7 @@ private RuntimeCheckedFlagsMethod findRuntimeCheckedFlagsVariant(AbstractProcess
         processor.env().getMessager().printMessage(Diagnostic.Kind.ERROR, method + ": Could not find runtime checked flags variant. " +
                         "For every method annotated with @GenerateStub, a second @NodeIntrinsic method with the same signature + an additional @ConstantNodeParameter EnumSet<CPUFeature> parameter for runtime checked CPU flags is required.",
                         method, annotation);
+        malformedInput = true;
         return null;
     }