Normalize string literal representation across the compiler - #8606

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cknitt wants to merge 21 commits into

codex/string-literal-regression-coveragefrom

codex/string-literal-representation

Commits on Sep 2, 2026

Normalize string literal representation
cknitt
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d0fb8ab
Fix string literal review findings
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39b3368
Report invalid template escapes after earlier diagnostics
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8a6b38d
Remove obsolete string constant delimiter argument
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3ceae27
Use stdlib UTF-8 validation throughout compiler
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373a3ce
Preserve template segment locations across AST bridge
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12e03b0
Handle surrogate code points in character intervals
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0349a01
Reject legacy escapes in template literals
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d765260
Report invalid template escapes during parsing
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27f7a92
Report invalid UTF-8 in each string literal
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889c4ab
Cover full tagged template expression locations
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9b5babe
Fold literal template interpolations
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03f0ec8
Reject invalid UTF-8 in documentation comments
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739f0b8
Bump parsetree magic numbers
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324cb7f
Simplify string literal handling
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21c12fa
Simplify UTF-8 scalar handling
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c0b3929
Bump compiled artifact magic numbers
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a994b4a
Canonicalize folded template segments
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8b7a220
Accept PPX-rewritten tagged template segments
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c08c60f
Normalize legacy PPX byte strings
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b3c7408
Document newly rejected literal syntax
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a811a5b