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-rw-r--r--tools/libclang/CIndexDiagnostic.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/libclang/CIndexDiagnostic.cpp b/tools/libclang/CIndexDiagnostic.cpp
index fa3b1ce..0fcdab7 100644
--- a/tools/libclang/CIndexDiagnostic.cpp
+++ b/tools/libclang/CIndexDiagnostic.cpp
@@ -220,7 +220,8 @@ CXString clang_getDiagnosticOption(CXDiagnostic Diag, CXString *Disable) {
return createCXString("");
unsigned ID = StoredDiag->Diag.getID();
- if (const char *Option = DiagnosticIDs::getWarningOptionForDiag(ID)) {
+ llvm::StringRef Option = DiagnosticIDs::getWarningOptionForDiag(ID);
+ if (!Option.empty()) {
if (Disable)
*Disable = createCXString((llvm::Twine("-Wno-") + Option).str());
return createCXString((llvm::Twine("-W") + Option).str());
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