[clang-format] Mark FormatToken::getPreviousNonComment() nodiscard. NFC.

mkurdej · mkurdej · commit 48a31c8f4290 · 2022-02-16T22:56:32.000+01:00
diff --git a/clang/lib/Format/FormatToken.h b/clang/lib/Format/FormatToken.h
@@ -693,7 +693,7 @@ struct FormatToken {
   }
 
   /// Returns the previous token ignoring comments.
-  FormatToken *getPreviousNonComment() const {
+  LLVM_NODISCARD FormatToken *getPreviousNonComment() const {
     FormatToken *Tok = Previous;
     while (Tok && Tok->is(tok::comment))
       Tok = Tok->Previous;

Original file line number	Diff line number	Diff line change
`@@ -693,7 +693,7 @@ struct FormatToken {`
`693`	`693`	`}`
`694`	`694`
`695`	`695`	`/// Returns the previous token ignoring comments.`
`696`		`- FormatToken *getPreviousNonComment() const {`
	`696`	`+ LLVM_NODISCARD FormatToken *getPreviousNonComment() const {`
`697`	`697`	`FormatToken *Tok = Previous;`
`698`	`698`	`while (Tok && Tok->is(tok::comment))`
`699`	`699`	`Tok = Tok->Previous;`