diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
index 1be4d449c87..858e8723c9f 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
@@ -10834,6 +10834,15 @@ public class AST2CPPTests extends AST2TestBase {
 		helper.assertNonProblemOnFirstIdentifier("fint({vchar");
 	}
 
+	//	void waldo(char x);
+	//
+	//	void test() {
+	//	  waldo({1});
+	//	}
+	public void testNarrowingConversionInListInitialization_491748() throws Exception {
+		parseAndCheckBindings();
+	}
+
 	//	namespace std {
 	//		struct string {};
 	//	 	struct exception {};
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ArithmeticConversion.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ArithmeticConversion.java
index 9bfb114898a..45f9ec70162 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ArithmeticConversion.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ArithmeticConversion.java
@@ -364,6 +364,19 @@ public abstract class ArithmeticConversion {
 			}
 			return n < (Integer.MAX_VALUE + 1L) * 2;
 
+		case eChar:
+			return 0 <= n && n <= 0xFF;
+
+		case eChar16:
+		case eWChar:
+			return 0 <= n && n <= 0xFFFF;
+
+		case eChar32:
+			return 0 <= n && n <= 0xFFFFFFFFL;
+
+		case eDecimal32:
+			return Integer.MIN_VALUE <= n && n <= Integer.MAX_VALUE;
+
 		case eFloat:
 			float f= n;
 			return (long) f == n;