Flush in emitDiagnosticMessage

tbaederr · tbaederr · commit afd23e6f151e · 2025-10-24T17:43:11.000+02:00
diff --git a/clang/lib/Frontend/TextDiagnostic.cpp b/clang/lib/Frontend/TextDiagnostic.cpp
@@ -676,6 +676,8 @@ void TextDiagnostic::emitDiagnosticMessage(
                          /*IsSupplemental*/ Level == DiagnosticsEngine::Note,
                          Message, OS.getColumn() - StartOfLocationInfo,
                          DiagOpts.MessageLength, DiagOpts.ShowColors);
+
+  OS.flush();
 }
 
 /*static*/ void
@@ -744,7 +746,6 @@ void TextDiagnostic::printDiagnosticMessage(raw_ostream &OS,
   if (ShowColors)
     OS.resetColor();
   OS << '\n';
-  OS.flush();
 }
 
 void TextDiagnostic::emitFilename(StringRef Filename, const SourceManager &SM) {

Original file line number	Diff line number	Diff line change
`@@ -676,6 +676,8 @@ void TextDiagnostic::emitDiagnosticMessage(`
`676`	`676`	`/IsSupplemental/ Level == DiagnosticsEngine::Note,`
`677`	`677`	`Message, OS.getColumn() - StartOfLocationInfo,`
`678`	`678`	`DiagOpts.MessageLength, DiagOpts.ShowColors);`
	`679`	`+`
	`680`	`+ OS.flush();`
`679`	`681`	`}`
`680`	`682`
`681`	`683`	`/static/ void`
`@@ -744,7 +746,6 @@ void TextDiagnostic::printDiagnosticMessage(raw_ostream &OS,`
`744`	`746`	`if (ShowColors)`
`745`	`747`	`OS.resetColor();`
`746`	`748`	`OS << '\n';`
`747`		`- OS.flush();`
`748`	`749`	`}`
`749`	`750`
`750`	`751`	`void TextDiagnostic::emitFilename(StringRef Filename, const SourceManager &SM) {`