hg: jdk/jdk: 8203436: javac should fail early when emitting illegal signature attributes

[maurizio.cimadamore at oracle.com]

Changeset: 3085969bdf91
Author:    mcimadamore
Date:      2018-05-22 13:37 +0100
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/3085969bdf91

8203436: javac should fail early when emitting illegal signature attributes
Summary: check that signature attributes do not contain non-denotable types
Reviewed-by: vromero

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Check.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Lower.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassWriter.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties
! test/langtools/tools/javac/6521805/T6521805d.out
! test/langtools/tools/javac/6521805/T6521805e.out
+ test/langtools/tools/javac/8203436/T8203436a.java
+ test/langtools/tools/javac/8203436/T8203436a.out
+ test/langtools/tools/javac/8203436/T8203436b.java
+ test/langtools/tools/javac/8203436/T8203436b.out
! test/langtools/tools/javac/SynthName2.out
! test/langtools/tools/javac/diags/examples/ErrSyntheticNameConflict.java
+ test/langtools/tools/javac/diags/examples/IllegalSignature.java