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8187826: Avoid using reflection to bootstrap NamedFunctions

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Reviewed-by: psandoz
This commit is contained in:
Claes Redestad 2017-09-27 17:56:00 +02:00
parent 2e46c1508a
commit 0355224df8
3 changed files with 48 additions and 36 deletions
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8
src/java.base/share/classes/java/lang/invoke/DelegatingMethodHandle.java
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@ -28,6 +28,7 @@ package java.lang.invoke;
import java.util.Arrays;
import static java.lang.invoke.LambdaForm.*;
import static java.lang.invoke.LambdaForm.Kind.*;
import static java.lang.invoke.MethodHandleNatives.Constants.REF_invokeVirtual;
import static java.lang.invoke.MethodHandleStatics.*;
/**
@ -158,8 +159,11 @@ abstract class DelegatingMethodHandle extends MethodHandle {
static final NamedFunction NF_getTarget;
static {
try {
NF_getTarget = new NamedFunction(DelegatingMethodHandle.class
.getDeclaredMethod("getTarget"));
MemberName member = new MemberName(DelegatingMethodHandle.class, "getTarget",
MethodType.methodType(MethodHandle.class), REF_invokeVirtual);
NF_getTarget = new NamedFunction(
MemberName.getFactory()
.resolveOrFail(REF_invokeVirtual, member, DelegatingMethodHandle.class, NoSuchMethodException.class));
} catch (ReflectiveOperationException ex) {
throw newInternalError(ex);
}