ADDITIONAL SYSTEM INFORMATION :
jdk-20+22-65-gdd5d4df5b68


A DESCRIPTION OF THE PROBLEM :
There is some dead code in Flow.java that can be safely removed by this patch:

diff --git a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java
index 55b214b6a7e..d9e2f5ac4a5 100644
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java
@@ -2170,16 +2170,12 @@ public class Flow {
         public void visitClassDef(JCClassDecl tree) {
             if (tree.sym == null) {
                 return;
             }
 
             Lint lintPrev = lint;
             lint = lint.augment(tree.sym);
             try {
- if (tree.sym == null) {
- return;
- }
-
                 JCClassDecl classDefPrev = classDef;
                 int firstadrPrev = firstadr;
                 int nextadrPrev = nextadr;
                 ListBuffer<PendingExit> pendingExitsPrev = pendingExits;
@@ -2254,27 +2250,18 @@ public class Flow {
         public void visitMethodDef(JCMethodDecl tree) {
             if (tree.body == null) {
                 return;
             }
 
             /* MemberEnter can generate synthetic methods ignore them
              */
             if ((tree.sym.flags() & SYNTHETIC) != 0) {
                 return;
             }
 
             Lint lintPrev = lint;
             lint = lint.augment(tree.sym);
             try {
- if (tree.body == null) {
- return;
- }
- /* Ignore synthetic methods, except for translated lambda methods.
- */
- if ((tree.sym.flags() & (SYNTHETIC | LAMBDA_METHOD)) == SYNTHETIC) {
- return;
- }
-
                 final Bits initsPrev = new Bits(inits);
                 final Bits uninitsPrev = new Bits(uninits);
                 int nextadrPrev = nextadr;
                 int firstadrPrev = firstadr;


REGRESSION : Last worked in version 8


CUSTOMER SUBMITTED WORKAROUND :
None.

FREQUENCY : always