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Signature help suppresses arity error in editorΒ #49624

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@andrewbranch

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@andrewbranch
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Bug Report

πŸ”Ž Search Terms

signature help missing errors

πŸ•— Version & Regression Information

Saw this for the first time a few months ago, but could be older.

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πŸ’» Code

declare function f(x: string, y: number): any;

// 1. Put cursor inside call parens
// 2. Request signature help with cmd+shift+space
// 3. Type a quote mark
// 4. Observed behavior: no squigglies
f()

πŸ™ Actual behavior

No error after following instructions, until making another edit elsewhere / with signature help closed

πŸ™‚ Expected behavior

Arity error on the call

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BugA bug in TypeScriptA bug in TypeScriptFix AvailableA PR has been opened for this issueA PR has been opened for this issue

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