tweak the check

Author: Andarist

src/compiler/checker.ts

@@ -476,6 +476,7 @@ import {
     isCallOrNewExpression,
     isCallSignatureDeclaration,
     isCatchClause,
+    isCatchClauseVariableDeclaration,
     isCatchClauseVariableDeclarationOrBindingElement,
     isCheckJsEnabledForFile,
     isClassDeclaration,
@@ -27461,7 +27462,9 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
             case SyntaxKind.ObjectBindingPattern:
             case SyntaxKind.ArrayBindingPattern:
                 const rootDeclaration = getRootDeclaration(node.parent);
-                return isVariableDeclaration(rootDeclaration) ? isVarConstLike(rootDeclaration) : !isSomeSymbolAssigned(rootDeclaration);
+                return isParameter(rootDeclaration) || isCatchClauseVariableDeclaration(rootDeclaration)
+                    ? !isSomeSymbolAssigned(rootDeclaration)
+                    : isVariableDeclaration(rootDeclaration) && isVarConstLike(rootDeclaration);
         }
         return false;
     }