Avoid exception and infinite loop in case of incorrect compiler args

Author: damien-vidal

org.eclipse.m2e.jdt/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name
 Bundle-SymbolicName: org.eclipse.m2e.jdt;singleton:=true
-Bundle-Version: 2.3.2.qualifier
+Bundle-Version: 2.3.3.qualifier
 Bundle-Localization: plugin
 Export-Package: org.eclipse.m2e.jdt,
  org.eclipse.m2e.jdt.internal;x-friends:="org.eclipse.m2e.jdt.ui",

org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/internal/ModuleSupport.java

@@ -523,9 +523,13 @@ protected static Optional<JpmsArgs> computeFromArgs(List<String> args) {
           }
 
           String value = null;
+          boolean isNextArg = false;
           if(argType.getArgumentName().equalsIgnoreCase(argumentName)) {
             // full argument match
-            value = it.next();
+            if(it.hasNext()) {
+              value = it.next();
+              isNextArg = true;
+            }
           } else {
             // argument with delimiter match
             String argumentWithDelimiter = argType.getArgumentName().toLowerCase() + JpmsArgType.argumentDelimiter;
@@ -536,7 +540,9 @@ protected static Optional<JpmsArgs> computeFromArgs(List<String> args) {
           JpmsArgValue argValue = argType.parse(value);
 
           if(argValue == null) {
-            it.previous();
+            if(isNextArg) {
+              it.previous();
+            }
             continue;
           }