================
@@ -232,4 +232,19 @@ void RenderDiagnosticDetails(Stream &stream,
}
}
+bool TerminalSupportsUnicode() {
+ static std::optional<bool> result;
+ if (result)
+ return result.value();
+#ifndef _WIN32
+ if (const char *lang_var = std::getenv("LANG"))
+ result = std::string(lang_var).find("UTF-8");
----------------
JDevlieghere wrote:
```suggestion
result = llvm::StringRef(lang_var).find("UTF-8");
```
https://github.com/llvm/llvm-project/pull/167550
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