diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ParserMessages.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ParserMessages.java
index 8886e8648a4..9c8cdcb399f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ParserMessages.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ParserMessages.java
@@ -100,6 +100,7 @@ public class ParserMessages {
 		case ISemanticProblem.TYPE_UNKNOWN_FOR_EXPRESSION: return "ISemanticProblem.TYPE_UNKNOWN_FOR_EXPRESSION";
 		case ISemanticProblem.TYPE_NOT_PERSISTED: return "ISemanticProblem.TYPE_NOT_PERSISTED";		
 		case ISemanticProblem.TYPE_ENUMERATION_EXPECTED: return "ISemanticProblem.TYPE_ENUMERATION_EXPECTED";
+		case ISemanticProblem.TYPE_CANNOT_DEDUCE_DECLTYPE_AUTO_TYPE: return "ISemanticProblem.TYPE_CANNOT_DEDUCE_DECLTYPE_AUTO_TYPE";
 		}
 		return null;
 	}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ParserMessages.properties b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ParserMessages.properties
index 8f8b9c55544..10a69519e75 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ParserMessages.properties
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ParserMessages.properties
@@ -74,3 +74,4 @@ ISemanticProblem.TYPE_CANNOT_DEDUCE_AUTO_TYPE=Failure to determine auto-type
 ISemanticProblem.TYPE_UNKNOWN_FOR_EXPRESSION=Failure to determine type of expression
 ISemanticProblem.TYPE_NOT_PERSISTED=Failure to store type in the index
 ISemanticProblem.TYPE_ENUMERATION_EXPECTED=Enumeration expected
+ISemanticProblem.TYPE_CANNOT_DEDUCE_DECLTYPE_AUTO_TYPE=Failure to determine decltype(auto)-type