Merge branch 'GP-0_ryanmkurtz_PR-9801_rudycelekli_fix_scalar-zero-bit-big-integer-20261011'

Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/scalar/Scalar.java

@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -109,6 +109,9 @@ public class Scalar {
 	 * @return new BigInteger representation of the value
 	 */
 	public BigInteger getBigInteger() {
+		if (bitLength == 0) {
+			return BigInteger.ZERO;
+		}
 		int signum = (signed && testBit(bitLength - 1)) ? -1 : 1;
 
 		// Get magnitude