8019942: Graph inference: avoid redundant computation during bound incorporation Summary: Bound incorporation should not perform same operation multiple times Reviewed-by: jjg

8019340: varargs-related warnings are meaningless on signature-polymorphic methods such as MethodHandle.invokeExact Summary: Disable certain varargs warnings when compiling polymorphic signature calls Reviewed-by: jjg

8020149: Graph inference: wrong logic for picking best variable to solve Summary: Replace logic for selecting best inference leaf in the graph during an unsticking round Reviewed-by: jjg

8016640: compiler hangs if the generics arity of a base class is wrong Summary: Check.checkCompatibleConcretes hang when javac creates synthetic supertypes for 269 model API Reviewed-by: jjg

7041019: Bogus type-variable substitution with array types with dependencies on accessibility check Summary: call to upperBound() when performing type-variable substitution on element type leads to unsoundness Reviewed-by: jjg

8020286: Wrong diagnostic after compaction Summary: compact diagnostic shows the least relevant method in the list Reviewed-by: jjg

8020147: Spurious errors when compiling nested stuck lambdas Summary: Scope of deferred types is not copied correctly; postAttr analyzer should not run on stuck expressions Reviewed-by: jjg

8012238: Nested method capture and inference 8008200: java/lang/Class/asSubclass/BasicUnit.java fails to compile Summary: Inference support should be more flexible w.r.t. nested method calls returning captured types Reviewed-by: jjg, vromero