fix: Warn when multianewarray has a zero-dimension arg

jumanji144 · Aug 14, 2024 · 06e5b2c · 06e5b2c
1 parent 2c61fd3
commit 06e5b2c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/...sition-jvm/src/main/java/me/darknet/assembler/compile/analysis/jvm/JvmAnalysisEngine.java b/...sition-jvm/src/main/java/me/darknet/assembler/compile/analysis/jvm/JvmAnalysisEngine.java
@@ -222,7 +222,10 @@ public void execute(AllocateInstruction instruction) {
 
     @Override
     public void execute(AllocateMultiDimArrayInstruction instruction) {
-        frame.pop(instruction.dimensions()); // pop n values off the stack that fill in the dimension sizes
+        int dimensions = instruction.dimensions();
+        if (dimensions <= 0)
+            warn(instruction, "multianewarray must have > 0 dimensions");
+        frame.pop(dimensions); // pop n values off the stack that fill in the dimension sizes
         frame.pushType(instruction.type());
     }