hg: valhalla/valhalla: 8207330: [Lworld] Javac fails to mark the synthetic field holding enclosing instance as ACC_FLATTENABLE where it should

[srikanth.adayapalam at oracle.com]

Changeset: f0e1ddcd0054
Author:    sadayapalam
Date:      2018-07-16 12:12 +0530
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/f0e1ddcd0054

8207330: [Lworld] Javac fails to mark the synthetic field holding enclosing instance as ACC_FLATTENABLE where it should

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Lower.java
+ test/langtools/tools/javac/valhalla/lworld-values/CheckFlattenableSyntheticFields.java