Add option ImplicitExceptionWithoutStacktraceIsFatal.

Author: christianhaeubl

substratevm/CHANGELOG.md

@@ -6,7 +6,7 @@ This changelog summarizes major changes to GraalVM Native Image.
 * (GR-51106) Fields that are accessed via a `VarHandle` or `MethodHandle` are no longer marked as "unsafe accessed" when the `VarHandle`/`MethodHandle` can be fully intrinsified.
 * (GR-49996) Ensure explicitly set image name (e.g., via `-o imagename`) is not accidentally overwritten by `-jar jarfile` option.
 * (GR-48683) Together with Red Hat, we added partial support for the JFR event `OldObjectSample`.
-* (GR-47109) JFR event throttling support was added, along with the `ObjectAllocationSample` event.
+* (GR-47109) Together with Red Hat, we added support for JFR event throttling and the event `ObjectAllocationSample`.
 
 ## GraalVM for JDK 22 (Internal Version 24.0.0)
 * (GR-48304) Red Hat added support for the JFR event ThreadAllocationStatistics.

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/SubstrateOptions.java

@@ -966,6 +966,9 @@ protected void onValueUpdate(EconomicMap<OptionKey<?>, Object> values, String ol
     @Option(help = "Specifies the number of entries that diagnostic buffers have.", type = OptionType.Debug)//
     public static final HostedOptionKey<Integer> DiagnosticBufferSize = new HostedOptionKey<>(30);
 
+    @Option(help = "Determines if implicit exceptions are fatal if they don't have a stack trace.", type = OptionType.Debug)//
+    public static final RuntimeOptionKey<Boolean> ImplicitExceptionWithoutStacktraceIsFatal = new RuntimeOptionKey<>(false);
+
     @SuppressWarnings("unused")//
     @APIOption(name = "configure-reflection-metadata")//
     @Option(help = "Enable runtime instantiation of reflection objects for non-invoked methods.", type = OptionType.Expert, deprecated = true)//

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/throttling/JfrAdaptiveSampler.java

@@ -118,7 +118,7 @@ private void configure(JfrSamplerParams params, JfrSamplerWindow expired, JfrSam
 
     @Uninterruptible(reason = CALLED_FROM_UNINTERRUPTIBLE_CODE, mayBeInlined = true)
     private static double computeEwmaAlphaCoefficient(long lookbackCount) {
-        return lookbackCount <= 1 ? 1 : 1d / lookbackCount;
+        return lookbackCount <= 1 ? 1d : 1d / lookbackCount;
     }
 
     @Uninterruptible(reason = CALLED_FROM_UNINTERRUPTIBLE_CODE, mayBeInlined = true)