src/java.base/share/classes/jdk/internal/org/objectweb/asm/Frame.java

@@ -358,10 +358,11 @@
              case 'J':
                  return LONG;
              case 'D':
                  return DOUBLE;
              case 'L':
+             case 'Q':
                  internalName = buffer.substring(offset + 1, buffer.length() - 1);
                  return REFERENCE_KIND | symbolTable.addType(internalName);
              case '[':
                  int elementDescriptorOffset = offset + 1;
                  while (buffer.charAt(elementDescriptorOffset) == '[') {

@@ -392,10 +393,11 @@
                          break;
                      case 'D':
                          typeValue = DOUBLE;
                          break;
                      case 'L':
+                     case 'Q':
                          internalName = buffer.substring(elementDescriptorOffset + 1, buffer.length() - 1);
                          typeValue = REFERENCE_KIND | symbolTable.addType(internalName);
                          break;
                      default:
                          throw new IllegalArgumentException();