hg: tiered-attrib/dev/langtools: don't do pre-flow on a structural lambda type that hasn't been attributed

[vicente.romero at oracle.com]

Changeset: 016b6c4ab036
Author:    vromero
Date:      2015-06-30 15:44 -0700
URL:       http://hg.openjdk.java.net/tiered-attrib/dev/langtools/rev/016b6c4ab036

don't do pre-flow on a structural lambda type that hasn't been attributed

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Flow.java
+ test/tools/javac/tieredAttr/lambda/TALambdaTest10.java