Feature: `#elif` preprocessor directive#19323

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T-Gro wants to merge 27 commits intomainfrom

feature-directive-elif

Commits on Feb 13, 2026

Commits on Feb 16, 2026

Fix missing language version check for #elif in nested-inactive ifdefSkip path

T-Gro
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Add test for nested #elif langversion check (n > 0 path)

T-Gro
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Add missing #elif compiler directive tests

T-Gro
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Add missing #elif preprocessor directive tests (T1-T3)

T-Gro
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Add missing compiler directive tests (T1-T3)

T-Gro
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Fix elifMustBeFirstWarning test to actually verify FS3882 for #elif

T-Gro
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Add IDE/tooling tests for #elif directive (T4-T7)

T-Gro
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Refactor: reduce duplication in #elif preprocessor handling

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Commits on Feb 17, 2026

Commits on Feb 18, 2026

Commits on Feb 19, 2026

Merge branch 'main' into feature-directive-elif
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