Don't attempt overload resolution for unknown functions.

2 files changed, 16 insertions, 0 deletions

diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
index 926d73204c3..d13c756f2ba 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2TemplateTests.java
@@ -3689,4 +3689,17 @@ public class AST2TemplateTests extends AST2BaseTest {
 		BindingAssertionHelper bh= new BindingAssertionHelper(getAboveComment(), true);
 		bh.assertNonProblem("substr(0)", 6, ICPPMethod.class);
     }
+    
+    // class C {};
+    // template<typename T> class XT {
+    //    T field;
+    //    void bla() {
+    //       C c;
+    //       field.m(c);
+    //    }
+    // };
+    public void testResolutionOfUnknownFunctions() throws Exception {
+    	String code= getAboveComment();
+    	parseAndCheckBindings(code, ParserLanguage.CPP);
+    }
 }
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 338bc607324..ac2576bac74 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
@@ -2006,6 +2006,9 @@ public class CPPSemantics {
 				if (++viableCount == 1) {
 					firstViable= f;
 				}
+				if (f instanceof ICPPUnknownBinding) {
+					return f;
+				}
 			}
 		}
 		if (firstViable == null)