Bug ID: JDK-8012434 Regression : Cannot define variable name which is the same to inner class name in JDK5u25

Type: Bug
Component: tools
Sub-Component: javac
Affected Version: 5.0u25

Priority: P3
Status: Closed
Resolution: Fixed
OS: windows_7
CPU: x86

Submitted: 2013-04-17
Updated: 2013-08-26
Resolved: 2013-05-21

Versions (Unresolved/Resolved/Fixed)

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Resolved: Release in which this issue/RFE has been resolved.
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Other
5.0u55 b01Fixed

.java file can not define variable name which is the same to the innerclass name.

TEST PROGRAM:
---
class RegInnerClass
{
  static class X { }
  X X = new X();
}
---

REPRODUCE:
1. Compile the above test case
2. Run  "javac class RegInnerClass"

C:\Users\licensees\javac-regression-5u25>javac -J-Duser.language=en RegInnerClass.java
RegInnerClass.java:4: RegInnerClass.X is already defined in RegInnerClass
  X X = new X();
    ^
1 error

NOTE:
This occurs in jdk5u25( and later jdk5ux), but not in JDK5u24(and former jdk5ux), jdk6ux, jdk7ux and jdk8b83.
This seems regression in jdk5u25.