[Merged by Bors] - Keep Integer type for inc/dec of an integer

[tunz]

Keep Integer type after running unary increment/decrement ops if possible. The integer type will be useful to take fast paths for accessing index properties. (e.g., let a = 1; arr[++a])

[codecov]

Codecov Report

Merging #2615 (05f4fee) into main (f8b6820) will increase coverage by 0.02%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##             main    #2615      +/-   ##
==========================================
+ Coverage   49.55%   49.57%   +0.02%     
==========================================
  Files         385      384       -1     
  Lines       39138    39132       -6     
==========================================
+ Hits        19393    19400       +7     
+ Misses      19745    19732      -13     

Impacted Files	Coverage Δ
boa_engine/src/vm/opcode/unary_ops/decrement.rs	82.60% <75.00%> (+7.60%)	⬆️
boa_engine/src/vm/opcode/unary_ops/increment.rs	82.60% <75.00%> (+7.60%)	⬆️
boa_interner/src/lib.rs	82.35% <0.00%> (-1.69%)	⬇️
boa_parser/src/parser/expression/mod.rs	83.40% <0.00%> (-1.35%)	⬇️
boa_engine/src/value/operations.rs	48.59% <0.00%> (-0.63%)	⬇️
boa_examples/src/bin/symbol_visitor.rs	0.00% <0.00%> (ø)
boa_examples/src/bin/modulehandler.rs
boa_examples/src/bin/jsset.rs
boa_examples/src/bin/classes.rs	0.00% <0.00%> (ø)

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[HalidOdat]

Looks good! Thank you for the contribution @tunz

[nekevss]

Looks good to me! Thanks for the contribution 😄

[nekevss]

bors r+

[bors]

Pull request successfully merged into main.

Build succeeded:

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