git: openjdk/jdk17u: master: 8273234: extended 'for' with expression of type tvar causes the compiler to crash

[Yuri Nesterenko]

Changeset: 6081dcaa
Author:    Ekaterina Vergizova <evergizova at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
Date:      2021-10-18 09:57:53 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/6081dcaaa0cdcaf5cd768c6e463a0116483c2cf2

8273234: extended 'for' with expression of type tvar causes the compiler to crash

Backport-of: 8c379092747301de70db1ef8e441cbe09fd742e7

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
+ test/langtools/tools/javac/foreach/ExprTypeIsTypeVariableTest.java