### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: search/org/eclipse/jdt/internal/core/search/matching/MethodLocator.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/search/org/eclipse/jdt/internal/core/search/matching/MethodLocator.java,v
retrieving revision 1.77
diff -u -r1.77 MethodLocator.java
--- search/org/eclipse/jdt/internal/core/search/matching/MethodLocator.java	6 Nov 2007 11:07:49 -0000	1.77
+++ search/org/eclipse/jdt/internal/core/search/matching/MethodLocator.java	8 Nov 2007 12:30:14 -0000
@@ -635,7 +635,7 @@
 			if (method.declaringClass == null || this.allSuperDeclaringTypeNames == null) {
 				declaringLevel = INACCURATE_MATCH;
 			} else {
-				if (resolveLevelAsSuperInvocation(methodReceiverType)) {
+				if (resolveLevelAsSuperInvocation(methodReceiverType, method.parameters)) {
 					declaringLevel = methodLevel // since this is an ACCURATE_MATCH so return the possibly weaker match
 						| SUPER_INVOCATION_FLAVOR; // this is an overridden method => add flavor to returned level
 				}
@@ -723,7 +723,7 @@
  * Return whether the given type binding or one of its possible super interfaces
  * matches a type in the declaring type names hierarchy.
  */
-protected boolean resolveLevelAsSuperInvocation(ReferenceBinding type) {
+protected boolean resolveLevelAsSuperInvocation(ReferenceBinding type, TypeBinding[] argumentTypes) {
 	char[][] compoundName = type.compoundName;
 	for (int i = 0, max = this.allSuperDeclaringTypeNames.length; i < max; i++) {
 		if (CharOperation.equals(this.allSuperDeclaringTypeNames[i], compoundName)) {
@@ -736,8 +736,25 @@
 		ReferenceBinding[] interfaces = type.superInterfaces();
 		if (interfaces == null) return false;
 		for (int i = 0; i < interfaces.length; i++) {
-			if (resolveLevelAsSuperInvocation(interfaces[i])) {
-				return true;
+			// need to verify if method may be overridden
+			MethodBinding[] methods = interfaces[i].getMethods(this.pattern.selector);
+			for (int j=0, length=methods.length; j<length; j++) {
+				MethodBinding method = methods[j];
+				TypeBinding[] parameters = method.parameters;
+				if (argumentTypes.length == parameters.length) {
+					boolean found = true;
+					for (int k=0,l=parameters.length; k<l; k++) {
+						if (parameters[k].erasure() != argumentTypes[k].erasure()) {
+							found = false;
+							break;
+						}
+					}
+					if (found) { // current method match in hierarchy
+						if (resolveLevelAsSuperInvocation(interfaces[i], argumentTypes)) {
+							return true;
+						}
+					}
+				}
 			}
 		}
 	}
#P org.eclipse.jdt.core.tests.model
Index: src/org/eclipse/jdt/core/tests/model/JavaSearchBugsTests.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/JavaSearchBugsTests.java,v
retrieving revision 1.128
diff -u -r1.128 JavaSearchBugsTests.java
--- src/org/eclipse/jdt/core/tests/model/JavaSearchBugsTests.java	6 Nov 2007 11:07:51 -0000	1.128
+++ src/org/eclipse/jdt/core/tests/model/JavaSearchBugsTests.java	8 Nov 2007 12:30:20 -0000
@@ -9141,4 +9141,29 @@
 		javaProject.setRawClasspath(originalRawClasspath, null);
 	}
 }
+
+/**
+ * @bug 209054: [search] for references to method finds wrong interface call
+ * @test Ensure that searching method reference does not find wrong interface call
+ * @see "https://bugs.eclipse.org/bugs/show_bug.cgi?id=209054"
+ */
+public void testBug209054() throws CoreException {
+	workingCopies = new ICompilationUnit[1];
+	workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/xy/Try.java",
+		"package xy;\n" + 
+		"public class Try implements IReferenceUpdating {\n" + 
+		"        IMovePolicy fInter;\n" + 
+		"        boolean canDo() { // find references\n" + 
+		"                return fInter.canDo(); // not a reference\n" + 
+		"        }\n" + 
+		"}\n" + 
+		"interface IMovePolicy extends IReferenceUpdating {\n" + 
+		"        boolean canDo();\n" + 
+		"}\n" + 
+		"interface IReferenceUpdating {}"
+	);
+	IMethod method = workingCopies[0].getType("Try").getMethod("canDo", new String[0]);
+	search(method, REFERENCES);
+	assertSearchResults("");
+}
 }
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