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-rw-r--r--clang/lib/Basic/DiagnosticIDs.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Basic/DiagnosticIDs.cpp b/clang/lib/Basic/DiagnosticIDs.cpp
index 48e7317985e..90d5ed00214 100644
--- a/clang/lib/Basic/DiagnosticIDs.cpp
+++ b/clang/lib/Basic/DiagnosticIDs.cpp
@@ -311,6 +311,9 @@ DiagnosticIDs::~DiagnosticIDs() {
/// getCustomDiagID - Return an ID for a diagnostic with the specified message
/// and level. If this is the first request for this diagnostic, it is
/// registered and created, otherwise the existing ID is returned.
+///
+/// \param Message A fixed diagnostic format string that will be hashed and
+/// mapped to a unique DiagID.
unsigned DiagnosticIDs::getCustomDiagID(Level L, StringRef Message) {
if (CustomDiagInfo == 0)
CustomDiagInfo = new diag::CustomDiagInfo();
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