FULL PRODUCT VERSION :
$ java -version
java version "1.8.0"
Java(TM) SE Runtime Environment (build 1.8.0-b132)
Java HotSpot(TM) 64-Bit Server VM (build 25.0-b70, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Linux antoine-envy4 3.8.0-37-generic #53~precise1-Ubuntu SMP Wed Feb 19 21:37:54 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

EXTRA RELEVANT SYSTEM CONFIGURATION :
I'm using Gradle 1.11

A DESCRIPTION OF THE PROBLEM :
javac throws a java.lang.ClassCastException during compilation, here is the complete stacktrace :

An exception has occurred in the compiler (1.8.0). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
java.lang.ClassCastException: com.sun.tools.javac.comp.Resolve$BadVarargsMethod cannot be cast to com.sun.tools.javac.comp.Resolve$InapplicableSymbolsError
at com.sun.tools.javac.comp.Resolve.canIgnore(Resolve.java:2977)
at com.sun.tools.javac.comp.Resolve.choose(Resolve.java:2953)
at com.sun.tools.javac.comp.Resolve.resolveMemberReference(Resolve.java:2887)
at com.sun.tools.javac.comp.Attr.visitReference(Attr.java:2722)
at com.sun.tools.javac.tree.JCTree$JCMemberReference.accept(JCTree.java:1967)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:596)
at com.sun.tools.javac.comp.Attr.visitReturn(Attr.java:1689)
at com.sun.tools.javac.tree.JCTree$JCReturn.accept(JCTree.java:1378)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:596)
at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:665)
at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:681)
at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1127)
at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:903)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:596)
at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:665)
at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:1020)
at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:772)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:596)
at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:665)
at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4305)
at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4215)
at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4149)
at com.sun.tools.javac.comp.Attr.visitClassDef(Attr.java:877)
at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:687)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:596)
at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:665)
at com.sun.tools.javac.comp.Attr.visitNewClass(Attr.java:2142)
at com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1510)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:596)
at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:638)
at com.sun.tools.javac.comp.Attr.visitVarDef(Attr.java:1078)
at com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:846)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:596)
at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:665)
at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4305)
at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4215)
at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4149)
at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4124)
at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1251)
at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:904)
at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:863)
at com.sun.tools.javac.main.Main.compile(Main.java:523)
at com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:129)
at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:138)


REGRESSION. Last worked in version 8

ADDITIONAL REGRESSION INFORMATION:
It works on a Windows JDK 1.8.0 b129

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
I don't know how to reproduce this bug since javac doesn't give much information about it. I could have given you exactly the line where javac fails if you tell me how to make javac tell me.


REPRODUCIBILITY :
This bug can be reproduced always.