LibJS: Mark catch parameter as initialized local when applicable

Otherwise we'll emit a TDZ check for every `catch` parameter immediately after initializing it. This check would never fail, so it's redundant.
Author: https://github.com/awesomekling Commit: 7a600e60bc Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4526
2025-07-10 02:51:55 +00:00 · 2025-04-29 16:41:31 +02:00 · 2025-04-29 16:41:31 +02:00 · 7a600e60bc · 2025-04-30 07:39:35 +00:00
commit 7a600e60bc
parent 00f7a6f9e0
1 changed files with 1 additions and 0 deletions
--- a/Libraries/LibJS/Bytecode/ASTCodegen.cpp
+++ b/Libraries/LibJS/Bytecode/ASTCodegen.cpp
@ -2656,6 +2656,7 @@ Bytecode::CodeGenerationErrorOr<Optional<ScopedOperand>> TryStatement::generate_
                if (parameter->is_local()) {
                    auto local = generator.local(parameter->local_index());
                    generator.emit_mov(local, caught_value);
+                    generator.set_local_initialized(parameter->local_index());
                } else {
                    generator.begin_variable_scope();
                    did_create_variable_scope_for_catch_clause = true;