### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/ast/ThisReference.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/ast/ThisReference.java,v
retrieving revision 1.37
diff -u -r1.37 ThisReference.java
--- compiler/org/eclipse/jdt/internal/compiler/ast/ThisReference.java	7 Mar 2009 01:08:07 -0000	1.37
+++ compiler/org/eclipse/jdt/internal/compiler/ast/ThisReference.java	1 Feb 2011 09:02:35 -0000
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2009 IBM Corporation and others.
+ * Copyright (c) 2000, 2011 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -127,4 +127,13 @@
 		visitor.visit(this, blockScope);
 		visitor.endVisit(this, blockScope);
 	}
+
+	public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) {
+		if ((this.bits & ASTNode.IsImplicitThis) == 0) {
+			// explicit this reference, not allowed in static context
+			// https://bugs.eclipse.org/bugs/show_bug.cgi?id=335780
+			currentScope.resetEnclosingMethodStaticFlag();
+		}
+		return super.analyseCode(currentScope, flowContext, flowInfo);
+	}
 }
#P org.eclipse.jdt.core.tests.compiler
Index: src/org/eclipse/jdt/core/tests/compiler/regression/ProblemTypeAndMethodTest.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/ProblemTypeAndMethodTest.java,v
retrieving revision 1.40
diff -u -r1.40 ProblemTypeAndMethodTest.java
--- src/org/eclipse/jdt/core/tests/compiler/regression/ProblemTypeAndMethodTest.java	14 Jan 2011 15:34:15 -0000	1.40
+++ src/org/eclipse/jdt/core/tests/compiler/regression/ProblemTypeAndMethodTest.java	1 Feb 2011 09:02:37 -0000
@@ -6633,4 +6633,65 @@
 		compilerOptions /* custom options */
 	);
 }
+
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id=335780
+// For this reference as an argument of a message send, method can't be static
+public void test124a() {
+	if (this.complianceLevel < ClassFileConstants.JDK1_5)
+		return;
+	Map compilerOptions = getCompilerOptions();
+	compilerOptions.put(CompilerOptions.OPTION_ReportMethodCanBeStatic, CompilerOptions.ERROR);
+	compilerOptions.put(CompilerOptions.OPTION_ReportMethodCanBePotentiallyStatic, CompilerOptions.ERROR);
+	compilerOptions.put(CompilerOptions.OPTION_ReportNonStaticAccessToStatic, CompilerOptions.IGNORE);
+	this.runNegativeTest(
+		new String[] {
+				"X.java", 
+				"public class X {\n" +
+				"	public void method1() {\n" + 	// don't warn
+				"		Foo.m(this);\n" +
+				"	}\n" +
+				"static class Foo{\n" + 
+				"	static void m(X bug) {\n" + 	// warn
+				"		\n" +
+				"	}\n" + 
+				"}\n" +
+				"}"
+		},
+		"",
+		null /* no extra class libraries */,
+		true /* flush output directory */,
+		compilerOptions /* custom options */
+	);
+}
+
+// https://bugs.eclipse.org/bugs/show_bug.cgi?id=335780
+// For this reference as an argument of a message send, method can't be static
+public void test124b() {
+	if (this.complianceLevel < ClassFileConstants.JDK1_5)
+		return;
+	Map compilerOptions = getCompilerOptions();
+	compilerOptions.put(CompilerOptions.OPTION_ReportMethodCanBeStatic, CompilerOptions.ERROR);
+	compilerOptions.put(CompilerOptions.OPTION_ReportMethodCanBePotentiallyStatic, CompilerOptions.ERROR);
+	compilerOptions.put(CompilerOptions.OPTION_ReportNonStaticAccessToStatic, CompilerOptions.IGNORE);
+	this.runNegativeTest(
+		new String[] {
+				"X.java", 
+				"public class X {\n" +
+				"   public static X xField;" +
+				"	public void method1() {\n" + 	// don't warn
+				"		Foo.m(this.xField);\n" +
+				"	}\n" +
+				"static class Foo{\n" + 
+				"	static void m(X bug) {\n" + 	// warn
+				"		\n" +
+				"	}\n" + 
+				"}\n" +
+				"}"
+		},
+		"",
+		null /* no extra class libraries */,
+		true /* flush output directory */,
+		compilerOptions /* custom options */
+	);
+}
 }