Deoptimize parameter defaults when referenced from object/array/class literals

[lukastaegert]

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers:
Resolves #4516

Description

This resolves another oversight in the original default parameter implementation. The current solution is to explicitly deoptimize when something is referenced in any kind of literal.

[github-actions]

Thank you for your contribution! ❤️

You can try out this pull request locally by installing Rollup via

npm install rollup/rollup#gh-4516_deoptimize_defaults

or load it into the REPL:
https://rollupjs.org/repl/?pr=4518

[codecov]

Codecov Report

Merging #4518 (f09908d) into master (2795815) will increase coverage by 0.02%.
The diff coverage is 88.23%.

@@            Coverage Diff             @@
##           master    #4518      +/-   ##
==========================================
+ Coverage   98.74%   98.77%   +0.02%     
==========================================
  Files         208      208              
  Lines        7437     7432       -5     
  Branches     2124     2130       +6     
==========================================
- Hits         7344     7341       -3     
+ Misses         34       32       -2     
  Partials       59       59              

Impacted Files	Coverage Δ
src/ast/nodes/AssignmentExpression.ts	100.00% <ø> (ø)
src/ast/nodes/AssignmentPattern.ts	100.00% <ø> (ø)
src/ast/nodes/AwaitExpression.ts	100.00% <ø> (ø)
src/ast/nodes/ClassBody.ts	100.00% <ø> (ø)
src/ast/nodes/ExportAllDeclaration.ts	100.00% <ø> (ø)
src/ast/nodes/ExportDefaultDeclaration.ts	100.00% <ø> (ø)
src/ast/nodes/ExportNamedDeclaration.ts	100.00% <ø> (ø)
src/ast/nodes/ExpressionStatement.ts	87.50% <ø> (ø)
src/ast/nodes/ForInStatement.ts	100.00% <ø> (ø)
src/ast/nodes/ForOfStatement.ts	100.00% <ø> (ø)
... and 27 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2795815...f09908d. Read the comment docs.