eliminate captured wildcards in itli live template list component type (IDEA-159655)

java/java-impl/src/com/intellij/codeInsight/template/macro/GuessElementTypeMacro.java

@@ -23,9 +23,9 @@ import com.intellij.codeInsight.template.*;
 import com.intellij.codeInsight.template.impl.JavaTemplateUtil;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.TextRange;
+import com.intellij.psi.GenericsUtil;
 import com.intellij.psi.PsiExpression;
 import com.intellij.psi.PsiType;
-import com.intellij.psi.PsiWildcardType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -79,14 +79,7 @@ public class GuessElementTypeMacro extends Macro {
     if (expr == null) return null;
     PsiType[] types = GuessManager.getInstance(project).guessContainerElementType(expr, new TextRange(context.getTemplateStartOffset(), context.getTemplateEndOffset()));
     for (int i = 0; i < types.length; i++) {
-      PsiType type = types[i];
-      if (type instanceof PsiWildcardType) {
-        if (((PsiWildcardType)type).isExtends()) {
-          types[i] = ((PsiWildcardType)type).getBound();
-        } else {
-          types[i] = PsiType.getJavaLangObject(expr.getManager(), expr.getResolveScope());
-        }
-      }
+      types[i] = GenericsUtil.eliminateWildcards(types[i], false, true);
     }
     return types;
   }

java/java-tests/testSrc/com/intellij/codeInsight/template/LiveTemplateTest.groovy

@@ -1461,4 +1461,19 @@ class Foo {
 }
 """
   }
+
+  public void "test iterate over list with wildcard component type"() {
+    myFixture.configureByText 'a.java', '''class C {{
+java.util.List<? extends Integer> list;
+<caret>
+}}'''
+    myFixture.type('itli\t')
+    myFixture.checkResult '''class C {{
+java.util.List<? extends Integer> list;
+    for (int i = 0; i < list.size(); i++) {
+        Integer integer =  list.get(i);
+        
+    }
+}}'''
+  }
 }