diff options
| -rw-r--r-- | utils/FileCheck/FileCheck.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/utils/FileCheck/FileCheck.cpp b/utils/FileCheck/FileCheck.cpp index 9619f945aa..3c4742cc36 100644 --- a/utils/FileCheck/FileCheck.cpp +++ b/utils/FileCheck/FileCheck.cpp @@ -340,7 +340,10 @@ unsigned Pattern::ComputeMatchDistance(StringRef Buffer, if (ExampleString.empty()) ExampleString = RegExStr; - return Buffer.substr(0, ExampleString.size()).edit_distance(ExampleString); + // Only compare up to the first line in the buffer, or the string size. + StringRef BufferPrefix = Buffer.substr(0, ExampleString.size()); + BufferPrefix = BufferPrefix.split('\n').first; + return BufferPrefix.edit_distance(ExampleString); } void Pattern::PrintFailureInfo(const SourceMgr &SM, StringRef Buffer, |