1 files changed, 1 insertions, 12 deletions
diff --git a/llvm/utils/FileCheck/FileCheck.cpp b/llvm/utils/FileCheck/FileCheck.cpp
index 5f85f4f..e74a79e 100644
--- a/llvm/utils/FileCheck/FileCheck.cpp
+++ b/llvm/utils/FileCheck/FileCheck.cpp
@@ -810,17 +810,6 @@ int main(int argc, char **argv) {
   if (!FC.ValidateCheckPrefixes())
     return 2;
 
-  Regex PrefixRE = FC.buildCheckPrefixRegex();
-  std::string REError;
-  if (!PrefixRE.isValid(REError)) {
-    errs() << "Unable to combine check-prefix strings into a prefix regular "
-              "expression! This is likely a bug in FileCheck's verification of "
-              "the check-prefix strings. Regular expression parsing failed "
-              "with the following error: "
-           << REError << "\n";
-    return 2;
-  }
-
   SourceMgr SM;
 
   // Read the expected strings from the check file.
@@ -842,7 +831,7 @@ int main(int argc, char **argv) {
                             SMLoc());
 
   std::pair<unsigned, unsigned> ImpPatBufferIDRange;
-  if (FC.readCheckFile(SM, CheckFileText, PrefixRE, &ImpPatBufferIDRange))
+  if (FC.readCheckFile(SM, CheckFileText, &ImpPatBufferIDRange))
     return 2;
 
   // Open the file to check and add it to SourceMgr.