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-rw-r--r--src/compiler/scala/tools/nsc/symtab/Symbols.scala1
-rw-r--r--src/compiler/scala/tools/nsc/typechecker/RefChecks.scala2
-rw-r--r--test/files/run/lazy-override.check3
-rw-r--r--test/files/run/lazy-override.scala29
4 files changed, 34 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/symtab/Symbols.scala b/src/compiler/scala/tools/nsc/symtab/Symbols.scala
index 27458ad145..f5173a1219 100644
--- a/src/compiler/scala/tools/nsc/symtab/Symbols.scala
+++ b/src/compiler/scala/tools/nsc/symtab/Symbols.scala
@@ -989,6 +989,7 @@ trait Symbols {
else if (isTrait) "trait"
else if (isClass) "class"
else if (isType) "type"
+ else if (isTerm && hasFlag(LAZY)) "lazy value"
else if (isVariable) "variable"
else if (isPackage) "package"
else if (isModule) "object"
diff --git a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala
index 48ffb1a186..9880f88ff3 100644
--- a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala
@@ -179,7 +179,7 @@ abstract class RefChecks extends InfoTransform {
} else if ((other hasFlag ABSOVERRIDE) && other.isIncompleteIn(clazz) && !(member hasFlag ABSOVERRIDE)) {
overrideError("needs `abstract override' modifiers")
} else if ((member hasFlag (OVERRIDE | ABSOVERRIDE)) &&
- (other hasFlag ACCESSOR) && other.accessed.isVariable) {
+ (other hasFlag ACCESSOR) && other.accessed.isVariable && !other.accessed.hasFlag(LAZY)) {
overrideError("cannot override a mutable variable")
} else if (other.isStable && !member.isStable) { // (1.4)
overrideError("needs to be an immutable value")
diff --git a/test/files/run/lazy-override.check b/test/files/run/lazy-override.check
new file mode 100644
index 0000000000..225a9b120d
--- /dev/null
+++ b/test/files/run/lazy-override.check
@@ -0,0 +1,3 @@
+/*A.x*/a.x=2
+/*A.x*//*B.y*/b.x=/*B.x*/3
+b.z=/*B.z/3
diff --git a/test/files/run/lazy-override.scala b/test/files/run/lazy-override.scala
new file mode 100644
index 0000000000..0b72f60f03
--- /dev/null
+++ b/test/files/run/lazy-override.scala
@@ -0,0 +1,29 @@
+class A {
+ val x: Int = { print("/*A.x*/"); 2 }
+ lazy val y: Int = { print("/*A.y*/"); 2 }
+ lazy val z: Int = { print("/*A.z*/"); 2 }
+}
+
+class B extends A {
+ // lazy overrides strict val
+ override lazy val x: Int = { print("/*B.x*/"); 3 }
+ // strict val overrides lazy
+ override val y: Int = { print("/*B.y*/"); 3 }
+ // lazy overrides lazy
+ override lazy val z: Int = { print("/*B.z/"); 3 }
+}
+
+
+
+
+object Test extends Application {
+ val a = new A
+ print("a.x=")
+ println(a.x)
+
+ val b = new B
+ print("b.x=")
+ println(b.x)
+ print("b.z=")
+ println(b.z)
+}