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LibJS: Mark classes and virtual functions final where possible

These cases were found with GCC's `-Wsuggest-final-{types,methods}`
warnings, which catch calls that could have been devirtualized had we
declared the functions `final` in the source.

To reproduce, Link Time Optimization needs to be enabled. The easiest
way to achieve this is to set the `CMAKE_INTERPROCEDURAL_OPTIMIZATION`
cache variable to `ON`. The `.incbin` directive in LibCompress' Brotli
decompressor might needs to be changed to an absolute path for this to
work.

This commit also removes a pair of unused virtual functions.
This commit is contained in:
Daniel Bertalan 2023-08-13 12:53:46 +02:00 committed by Andreas Kling
parent 72c9f56c66
commit 65232b6681
9 changed files with 17 additions and 20 deletions

View file

@ -156,7 +156,7 @@ public:
};
// 14.13 Labelled Statements, https://tc39.es/ecma262/#sec-labelled-statements
class LabelledStatement : public Statement {
class LabelledStatement final : public Statement {
public:
LabelledStatement(SourceRange source_range, DeprecatedFlyString label, NonnullRefPtr<Statement const> labelled_item)
: Statement(move(source_range))