Reproduces in current jdk8u/jdk8u-dev, see:

$ CONF=linux-x86_64-normal-server-fastdebug make clean images test TEST=langtools_tier1

TEST: tools/javac/diags/CheckExamples.java

STDERR:
Error: Example /home/shade/trunks/jdk8u-dev/langtools/test/tools/javac/diags/examples/WhereIntersection.java declares key compiler.misc.inferred.do.not.conform.to.upper.bounds but does not generate it
Error: Example /home/shade/trunks/jdk8u-dev/langtools/test/tools/javac/diags/examples/WhereIntersection.java declares key compiler.misc.intersection.type but does not generate it
Error: Example /home/shade/trunks/jdk8u-dev/langtools/test/tools/javac/diags/examples/WhereIntersection.java declares key compiler.misc.where.description.intersection.1 but does not generate it
Error: Example /home/shade/trunks/jdk8u-dev/langtools/test/tools/javac/diags/examples/WhereIntersection.java declares key compiler.misc.where.intersection but does not generate it
Error: Example /home/shade/trunks/jdk8u-dev/langtools/test/tools/javac/diags/examples/WhereIntersection.java generates key compiler.misc.incompatible.upper.lower.bounds but does not declare it
Error: Example /home/shade/trunks/jdk8u-dev/langtools/test/tools/javac/diags/examples/WhereIntersection.java generates key compiler.misc.where.description.typevar but does not declare it
Error: Example /home/shade/trunks/jdk8u-dev/langtools/test/tools/javac/diags/examples/WhereIntersection.java generates key compiler.misc.where.typevar but does not declare it

This seems to go away when JDK-8078024 is reverted.
It is somewhat masked by NoJavaLang bug: there are *two* failures in that test. NoJavaLang failure is to be fixed with JDK-8260484 backport.