OS:
Windows

Environments:
Operating System: Windows 11 x64
Version: 25H2
Language: English (Regional Setting: English)
Processor: Intel(R) Xeon(R) Silver 4210 CPU @ 2.20GHz 2.19 GHz (2 processors)
OS type: 64-bit
Memory: 8 GB
LAF: Default, manual-laf-Windows-Dark, manual-laf-Nimbus-Dark

Reproducible: Always

Failed on Release/Build: JDK_26_b27
Is it a Regression in JDK 26 release: N/A
[If Regression] Regression introduced in JDK 26 release/build: N/A
Test result on the last GAed release for this train: N/A
Is it a platform-specific issue: Yes. This issue only happens on Windows.

General description of the problem:
The check icons are not aligned properly as expected.

Affected test:
javax/swing/JMenuItem/6458123/ManualBug6458123.java

Steps to reproduce:
#!/bin/sh -x
export JAVA_HOME=C:/Users/Windows11/Desktop/Reg_Client/jdk-26
export JT_HOME=C:/Users/Windows11/Desktop/Reg_Client/jtreg
export PATH=$PATH:$JAVA_HOME/bin:$JT_HOME/bin

C:/Users/Windows11/Desktop/Reg_Client/jtreg/bin/jtreg \
-verbose:summary \
-m \
-gui \
-conc:1 \
-nativepath:C:/Users/Windows11/Desktop/Reg_Client/jdk-26-ea+27_windows-x64_bin-tests/jdk/jtreg/native \
-exclude:C:/Users/Windows11/Desktop/Reg_Client/open/test/jdk/ProblemList.txt \
-exclude:C:/Users/Windows11/Desktop/Reg_Client/closed/test/jdk/ProblemList.txt \
-testjdk:C:/Users/Windows11/Desktop/Reg_Client/jdk-26 \
-dir:C:/Users/Windows11/Desktop/Reg_Client/closed/test/jdk \
-reportDir:results/JTreport \
-workDir:results/JTwork \
C:/Users/Windows11/Desktop/Reg_Client/closed/test/jdk/:jdk_desktop

      2. Run the test case: javax/swing/JMenuItem/6458123/ManualBug6458123.java
      3. Click on the 'Windows' Look and Feel menu
      4. Observe the UI in "First R2L", "Third R2L" menu items

Expected behavior:
The check icons should be aligned properly.

Actual behavior:
The check icons are not aligned properly as expected.

Any non-default VM flags:
'C:\\Users\\Windows11\\Desktop\\Reg_Client\\jdk-26\\bin\\java' \\
        -Dtest.vm.opts= \\
        -Dtest.tool.vm.opts= \\
        -Dtest.compiler.opts= \\
        -Dtest.java.opts= \\
        -Dtest.jdk='C:\\Users\\Windows11\\Desktop\\Reg_Client\\jdk-26' \\
        -Dcompile.jdk='C:\\Users\\Windows11\\Desktop\\Reg_Client\\jdk-26' \\
        -Dtest.timeout.factor=1.0 \\
        -Dtest.nativepath='C:\\Users\\Windows11\\Desktop\\Reg_Client\\jdk-26-ea+27_windows-x64_bin-tests\\jdk\\jtreg\\native' \\
        -Dtest.root='C:\\Users\\Windows11\\Desktop\\Reg_Client\\closed\\test\\jdk' \\
        -Dtest.name=javax/swing/JMenuItem/6458123/ManualBug6458123.java \\
        -Dtest.verbose=Verbose[p=DEFAULT,f=DEFAULT,e=DEFAULT,t=false,m=false] \\
        -Dtest.file='C:\\Users\\Windows11\\Desktop\\Reg_Client\\closed\\test\\jdk\\javax\\swing\\JMenuItem\\6458123\\ManualBug6458123.java' \\
        -Dtest.main.class=ManualBug6458123 \\
        -Dtest.src='C:\\Users\\Windows11\\Desktop\\Reg_Client\\closed\\test\\jdk\\javax\\swing\\JMenuItem\\6458123' \\
        -Dtest.src.path='C:\\Users\\Windows11\\Desktop\\Reg_Client\\closed\\test\\jdk\\javax\\swing\\JMenuItem\\6458123;C:\\Users\\Windows11\\Desktop\\Reg_Client\\closed\\test\\jdk\\javax\\swing\\regtesthelpers' \\
        -Dtest.classes='C:\\Users\\Windows11\\Desktop\\Reg_Client\\results\\JTwork\\classes\\javax\\swing\\JMenuItem\\6458123\\ManualBug6458123.d' \\
        -Dtest.class.path='C:\\Users\\Windows11\\Desktop\\Reg_Client\\results\\JTwork\\classes\\javax\\swing\\JMenuItem\\6458123\\ManualBug6458123.d;C:\\Users\\Windows11\\Desktop\\Reg_Client\\results\\JTwork\\classes\\javax\\swing\\JMenuItem\\6458123\\ManualBug6458123.d\\javax\\swing\\regtesthelpers' \\
        -Dtest.modules=java.desktop \\
        --add-modules java.desktop \\
        '-Djava.library.path=C:\\Users\\Windows11\\Desktop\\Reg_Client\\jdk-26-ea+27_windows-x64_bin-tests\\jdk\\jtreg\\native' \\
        com.sun.javatest.regtest.agent.MainWrapper 'C:\\Users\\Windows11\\Desktop\\Reg_Client\\results\\JTwork\\javax\\swing\\JMenuItem\\6458123\\ManualBug6458123.d\\main.0.jta'
result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Menu items are laied out improperly


test result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Menu items are laied out improperly