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

*** 112,11 ***
  
                  // If the character after the ':' class bound marker is not the start of a
                  // ReferenceTypeSignature, it means the class bound is empty (which is a valid case).
                  offset = classBoundStartOffset + 1;
                  currentChar = signature.charAt(offset);
!                 if (currentChar == 'L' || currentChar == '[' || currentChar == 'T') {
                      offset = parseType(signature, offset, signatureVistor.visitClassBound());
                  }
  
                  // While the character after the class bound or after the last parsed interface bound
                  // is ':', we need to parse another interface bound.
--- 112,11 ---
  
                  // If the character after the ':' class bound marker is not the start of a
                  // ReferenceTypeSignature, it means the class bound is empty (which is a valid case).
                  offset = classBoundStartOffset + 1;
                  currentChar = signature.charAt(offset);
!                 if (currentChar == 'L' || currentChar == 'Q' || currentChar == '[' || currentChar == 'T') {
                      offset = parseType(signature, offset, signatureVistor.visitClassBound());
                  }
  
                  // While the character after the class bound or after the last parsed interface bound
                  // is ':', we need to parse another interface bound.