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Detect circular macro expansion #2767

Merged
merged 1 commit into from
Aug 9, 2024
Merged

Detect circular macro expansion #2767

merged 1 commit into from
Aug 9, 2024

Commits on Aug 9, 2024

  1. detect circular macro expansion 

    - `MacroApplication` now detects any freestanding macro that appears on an expansion path more than once and throws `MacroExpansionError.recursiveExpansion`
- added a test case in `ExpressionMacroTests`

rdar://113567654
Fixes swiftlang#2018
    @AppAppWorks
    AppAppWorks committed Aug 9, 2024
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