Fix panics on empty return values

[raskad]

This adds and fixes some tests that caused panics on main and during the development of the fixes. All where found with the fuzzer. After running the fuzzer for some time I did not encounter any similar panics anymore.

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	94,108	94,108	0
Passed	74,644	74,646	+2
Ignored	17,740	17,740	0
Failed	1,724	1,722	-2
Panics	0	0	0
Conformance	79.32%	79.32%	+0.00%

Fixed tests (2):

test/language/statementList/eval-block-with-statment-block.js [strict mode] (previously Failed)
test/language/statementList/eval-block-with-statment-block.js (previously Failed)

[codecov]

Codecov Report

Merging #3018 (4b749dc) into main (0fda681) will increase coverage by 0.02%.
The diff coverage is 91.66%.

@@            Coverage Diff             @@
##             main    #3018      +/-   ##
==========================================
+ Coverage   50.58%   50.61%   +0.02%     
==========================================
  Files         446      446              
  Lines       45920    45949      +29     
==========================================
+ Hits        23230    23258      +28     
- Misses      22690    22691       +1     

Impacted Files	Coverage Δ
boa_ast/src/statement/mod.rs	81.81% <ø> (+2.54%)	⬆️
boa_engine/src/bytecompiler/statement/break.rs	95.55% <87.50%> (-4.45%)	⬇️
boa_engine/src/bytecompiler/mod.rs	69.06% <88.88%> (+0.36%)	⬆️
boa_ast/src/operations.rs	76.13% <92.30%> (+0.45%)	⬆️
boa_engine/src/bytecompiler/statement/if.rs	94.44% <100.00%> (ø)
boa_engine/src/bytecompiler/statement/loop.rs	83.68% <100.00%> (ø)
boa_engine/src/bytecompiler/statement/switch.rs	100.00% <100.00%> (ø)
boa_engine/src/bytecompiler/statement/try.rs	100.00% <100.00%> (ø)
boa_engine/src/bytecompiler/statement/with.rs	81.81% <100.00%> (-9.10%)	⬇️

[jedel1043]

Good fix :D

[HalidOdat]

Nice catch!!