git: openjdk/jdk7u: 8285727: [11u, 17u] Unify fix for JDK-8284920 with version from head

[Yuri Nesterenko]

Changeset: 7ecb5b2e
Author:    Yuri Nesterenko <yan at openjdk.org>
Date:      2022-05-16 14:39:06 +0000
URL:       https://git.openjdk.java.net/jdk7u/commit/7ecb5b2eebfdc06a4a261ee2b5ada3adad81e88d

8285727: [11u, 17u] Unify fix for JDK-8284920 with version from head

Reviewed-by: bae

! jaxp/src/com/sun/org/apache/xpath/internal/compiler/Lexer.java
! jaxp/src/com/sun/org/apache/xpath/internal/compiler/Token.java
! jaxp/src/com/sun/org/apache/xpath/internal/compiler/XPathParser.java
+ jdk/test/javax/xml/jaxp/unittest/xpath/XPathExpTest.java