Improve resiliency of custom attribute parsing (#101164)

src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/CustomAttributeBasedDependencyAlgorithm.cs

@@ -1,6 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System;
 using System.Collections.Immutable;
 using System.Diagnostics;
 using System.Reflection.Metadata;
@@ -151,6 +152,12 @@ private static void AddDependenciesDueToCustomAttributes(ref DependencyList depe
                     // worth the hassle: the input was invalid. The most important thing is that we
                     // don't crash the compilation.
                 }
+                catch (BadImageFormatException)
+                {
+                    // System.Reflection.Metadata will throw BadImageFormatException if the blob is malformed.
+                    // This can happen if e.g. underlying type of an enum changes between versions and
+                    // we can no longer decode the custom attribute blob.
+                }
             }
         }