diff options
Diffstat (limited to 'utils/FileCheck')
| -rw-r--r-- | utils/FileCheck/FileCheck.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/utils/FileCheck/FileCheck.cpp b/utils/FileCheck/FileCheck.cpp index 9e6a6a2c8ab..9245e1143ad 100644 --- a/utils/FileCheck/FileCheck.cpp +++ b/utils/FileCheck/FileCheck.cpp @@ -1212,6 +1212,10 @@ static bool ValidateCheckPrefixes() { I != E; ++I) { StringRef Prefix(*I); + // Reject empty prefixes. + if (Prefix == "") + return false; + if (!PrefixSet.insert(Prefix)) return false; |