src/java.base/share/classes/java/lang/invoke/InvokerBytecodeGenerator.java

rev 14964 : 8160717: MethodHandles.loop() does not check for excessive signature

*** 749,763 ****
          emitReturn(onStack);
  
          classFileEpilogue();
          bogusMethod(lambdaForm);
  
!         final byte[] classFile = cw.toByteArray();
          maybeDump(className, classFile);
          return classFile;
      }
  
      void emitArrayLoad(Name name)   { emitArrayOp(name, Opcodes.AALOAD);      }
      void emitArrayStore(Name name)  { emitArrayOp(name, Opcodes.AASTORE);     }
      void emitArrayLength(Name name) { emitArrayOp(name, Opcodes.ARRAYLENGTH); }
  
      void emitArrayOp(Name name, int arrayOpcode) {
--- 749,777 ----
          emitReturn(onStack);
  
          classFileEpilogue();
          bogusMethod(lambdaForm);
  
!         final byte[] classFile;
!         try {
!             classFile = cw.toByteArray();
!         } catch (RuntimeException e) {
!             // ASM throws RuntimeException if something goes wrong - capture these and wrap them in a meaningful
!             // exception to support falling back to LambdaForm interpretation
!             throw new BytecodeGenerationException(e);
!         }
          maybeDump(className, classFile);
          return classFile;
      }
  
+     @SuppressWarnings("serial")
+     static final class BytecodeGenerationException extends RuntimeException {
+         BytecodeGenerationException(Exception cause) {
+             super(cause);
+         }
+     }
+ 
      void emitArrayLoad(Name name)   { emitArrayOp(name, Opcodes.AALOAD);      }
      void emitArrayStore(Name name)  { emitArrayOp(name, Opcodes.AASTORE);     }
      void emitArrayLength(Name name) { emitArrayOp(name, Opcodes.ARRAYLENGTH); }
  
      void emitArrayOp(Name name, int arrayOpcode) {