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-rw-r--r--llvm/utils/FileCheck/FileCheck.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/utils/FileCheck/FileCheck.cpp b/llvm/utils/FileCheck/FileCheck.cpp
index 7db9730..7274db6 100644
--- a/llvm/utils/FileCheck/FileCheck.cpp
+++ b/llvm/utils/FileCheck/FileCheck.cpp
@@ -718,6 +718,9 @@ static size_t CheckTypeSize(Check::CheckType Ty) {
}
static Check::CheckType FindCheckType(StringRef Buffer, StringRef Prefix) {
+ if (Buffer.size() <= Prefix.size())
+ return Check::CheckNone;
+
char NextChar = Buffer[Prefix.size()];
// Verify that the : is present after the prefix.