From c5f400f7d68f5f3f951d03f7c476be016429a188 Mon Sep 17 00:00:00 2001
From: Eric Milles <eric.milles@thomsonreuters.com>
Date: Wed, 30 Mar 2022 13:00:30 -0500
Subject: [PATCH] GROOVY-10557

---
 .../tests/xform/StaticCompilationTests.java   | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/base-test/org.eclipse.jdt.groovy.core.tests.compiler/src/org/eclipse/jdt/groovy/core/tests/xform/StaticCompilationTests.java b/base-test/org.eclipse.jdt.groovy.core.tests.compiler/src/org/eclipse/jdt/groovy/core/tests/xform/StaticCompilationTests.java
index 371651360b..0428c32cf7 100644
--- a/base-test/org.eclipse.jdt.groovy.core.tests.compiler/src/org/eclipse/jdt/groovy/core/tests/xform/StaticCompilationTests.java
+++ b/base-test/org.eclipse.jdt.groovy.core.tests.compiler/src/org/eclipse/jdt/groovy/core/tests/xform/StaticCompilationTests.java
@@ -7343,4 +7343,27 @@ public void testCompileStatic10476() {
 
         runConformTest(sources, "[FOO, BAR, BAZ]");
     }
+
+    @Test
+    public void testCompileStatic10557() {
+        //@formatter:off
+        String[] sources = {
+            "Main.groovy",
+            "class C {\n" +
+            "  def <T> T m(java.util.function.Function<Reader,T> f) {\n" +
+            "    new StringReader('').withCloseable { reader ->\n" +
+            "      f.apply(reader)\n" +
+            "    }\n" +
+            "  }\n" +
+            "}\n" +
+            "@groovy.transform.CompileStatic\n" +
+            "void test() {\n" +
+            "  print(new C().m { it.text.empty })\n" +
+            "}\n" +
+            "test()\n",
+        };
+        //@formatter:on
+
+        runConformTest(sources, "true");
+    }
 }