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 0160043c732..783e33529d9 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
@@ -6559,4 +6559,22 @@ public class AST2CPPTests extends AST2BaseTest {
     	assertTrue(bar_c_ft.isConst());  assertTrue(!bar_c_ft.isVolatile());
     	assertTrue(!bar_ft.isConst());   assertTrue(!bar_ft.isVolatile());
     }
+    
+    
+    //    void test1(float f);
+    //    void test1(void);
+    //    void blabla() {
+    //    	test1(1);
+    //    }
+    //    enum E {e1};
+    //    class C {};
+    //    void test2(float f);
+    //    void test2(C c);
+    //    void blabla2() {
+    //    	test2(e1);
+    //    }
+    public void testOverloadResolution_262191() throws Exception {
+		final String code= getAboveComment();
+		parseAndCheckBindings(code);
+    }
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
index 36f2ce662b4..17234747ee5 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
@@ -1899,7 +1899,7 @@ public class CPPSemantics {
 				
 			final IParameter[] params = function.getParameters();
 			int numPars = params.length;
-			if (numArgs == 0 && numPars == 1) {
+			if (numArgs < 2 && numPars == 1) {
 				// check for void
 			    IType t = SemanticUtil.getUltimateTypeViaTypedefs(params[0].getType());
 			    if (t instanceof IBasicType && ((IBasicType)t).getType() == IBasicType.t_void)
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/Conversions.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/Conversions.java
index 0cbb3183570..783c0276ba8 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/Conversions.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/Conversions.java
@@ -778,7 +778,7 @@ public class Conversions {
 			}
 		}
 
-		if (t instanceof IBasicType && s instanceof IBasicType || s instanceof IEnumeration) {
+		if (t instanceof IBasicType && (s instanceof IBasicType || s instanceof IEnumeration)) {
 			// 4.7 An rvalue of an integer type can be converted to an rvalue of another integer type.  
 			// An rvalue of an enumeration type can be converted to an rvalue of an integer type.
 			cost.rank = Cost.CONVERSION_RANK;