Defensively catch IllegalStateException from match attempts (for compatibility with AspectJ 1.8.10)

Issue: SPR-15019

spring-aop/src/main/java/org/springframework/aop/aspectj/AspectJExpressionPointcut.java

@@ -262,6 +262,10 @@ public class AspectJExpressionPointcut extends AbstractExpressionPointcut
 		catch (BCException ex) {
 			logger.debug("PointcutExpression matching rejected target class", ex);
 		}
+		catch (IllegalStateException ex) {
+			// AspectJ 1.8.10: encountered invalid signature
+			logger.debug("PointcutExpression matching rejected target class", ex);
+		}
 		return false;
 	}
 
@@ -413,6 +417,7 @@ public class AspectJExpressionPointcut extends AbstractExpressionPointcut
 				Method methodToMatch = targetMethod;
 				shadowMatch = this.shadowMatchCache.get(targetMethod);
 				if (shadowMatch == null) {
+					try {
 						try {
 							shadowMatch = this.pointcutExpression.matchesMethodExecution(methodToMatch);
 						}
@@ -448,6 +453,12 @@ public class AspectJExpressionPointcut extends AbstractExpressionPointcut
 								}
 							}
 						}
+					}
+					catch (IllegalStateException ex) {
+						// AspectJ 1.8.10: encountered invalid signature
+						logger.debug("PointcutExpression matching rejected target method", ex);
+						fallbackExpression = null;
+					}
 					if (shadowMatch == null) {
 						shadowMatch = new ShadowMatchImpl(org.aspectj.util.FuzzyBoolean.NO, null, null, null);
 					}