git: openjdk/mobile: 8177068: incomplete classpath causes NPE in Flow

[duke]

Changeset: 2fa3eddd
Author:    Jan Lahoda <jlahoda at openjdk.org>
Date:      2019-09-05 12:39:48 +0000
URL:       https://github.com/openjdk/mobile/commit/2fa3eddd

8177068: incomplete classpath causes NPE in Flow

Undo completions that failed during speculative attribution, so that the appropriate CompletionFailures are thrown again and properly reported.

Reviewed-by: vromero

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/DeferredCompletionFailureHandler.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/DeferredAttr.java
+ test/langtools/tools/javac/T8177068/NoCompletionFailureSkipOnSpeculativeAttribution.java