[polly] Replace report_fatal_error(std::string) uses with report_fatal_error(Twine)

As described on D111049, we're trying to remove the <string> dependency from error handling and replace uses of report_fatal_error(const std::string&) with the Twine() variant which can be forward declared.

diff --git a/polly/lib/Analysis/ScopDetection.cpp b/polly/lib/Analysis/ScopDetection.cpp
index 4dfcf34..045d0f9 100644 (file)
--- a/polly/lib/Analysis/ScopDetection.cpp
+++ b/polly/lib/Analysis/ScopDetection.cpp
@@ -329,7 +329,8 @@ static bool doesStringMatchAnyRegex(StringRef Str,
 
     std::string Err;
     if (!R.isValid(Err))
-      report_fatal_error("invalid regex given as input to polly: " + Err, true);
+      report_fatal_error(Twine("invalid regex given as input to polly: ") + Err,
+                         true);
 
     if (R.match(Str))
       return true;