From c949f3e77137b3ac0adb763719cee527a07ae4f4 Mon Sep 17 00:00:00 2001
From: Vojin Jovanovic <vojin.jovanovic@oracle.com>
Date: Wed, 13 Sep 2023 12:58:43 +0200
Subject: [PATCH] Fail on missing API options

---
 .../com/oracle/svm/core/option/SubstrateOptionsParser.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/option/SubstrateOptionsParser.java b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/option/SubstrateOptionsParser.java
index baaa69e0ec52..6247d2331dce 100644
--- a/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/option/SubstrateOptionsParser.java
+++ b/substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/option/SubstrateOptionsParser.java
@@ -195,7 +195,9 @@ public static String commandArgument(OptionKey<?> option, String value, String a
                     }
                 }
             }
-            return HOSTED_OPTION_PREFIX + value + option;
+            String optionString = HOSTED_OPTION_PREFIX + value + option;
+            assert apiOptionName == null : "The API option " + apiOptionName + " not found for " + optionString;
+            return optionString;
         } else {
             String apiOptionWithValue = null;
             for (APIOption apiOption : apiOptions) {