Add utility for getting the unqualified type name of a Java type.

--HG--
extra : rebase_source : efec6f3489210087a71efb573b0bd37f498b074a
Add utility for testing whether a stamp can be improved. And a utility for getting the default stamps of the parameters of a method.

--HG--
extra : rebase_source : c3cb23b9fb0a0799c27a7611410bfa48b492bdd6
Add utility to get the return stamp from a structured graph.

--HG--
extra : rebase_source : 18c2f13f92bd64cb5b24ff3cd596f0bedf124cc6
Resolved virtual calls are guaranteed to have as receiver type at least the holder of the virtual method.

--HG--
extra : rebase_source : af60a7679941ba14ed91dfa7e3928184722a4e5c
Add missing import.

--HG--
extra : rebase_source : cdb287cbe3e667b52eb9dbd9c9868c9a5018bea7
Add InvokeInterface tests.

--HG--
extra : rebase_source : 979599cebaaaaea8bfdd8fc2beb59c80abe84c09
extra : histedit_source : 4d7bff1b07560e86bfcbfcee12b9f7085209e64f%2C13a056d74793f82a24aa813a4c3c350646678324
MethodCallTargetNode: simplify interface invokes to (guarded) virtual invoke on a single implementor, if there is one.

--HG--
extra : rebase_source : 3c6c43ccbde11c43ce9af173ccc569ca90728310
extra : histedit_source : 1ac5868cf6558a99e7df19c9f641a8e0dae1a44a
igv: fix coloring for 'Param' nodes (formerly 'Local')

--HG--
extra : rebase_source : 2b8dd54a8d385357f439cb4c6a72517ae460627d
mx: set initial value for flag

--HG--
extra : rebase_source : d181f3ee3db9a52d3a55984aa3628d412228c2d4
Remove unnecessary padding in constants section.

--HG--
extra : rebase_source : cfa69293c5fca25e902f7e0661fbcf27f398463e
Merge.

--HG--
extra : rebase_source : 5f0a02197f7e48b3381aecaf70aa0d69903d7349
Fix AMD64AllocatorTest junit assumption.

--HG--
extra : rebase_source : becaeebeb4b9b31d8969787c42c899a289fac51e
Fix SPARCAllocatorTest junit assumption.

--HG--
extra : rebase_source : af0c6a7c81af93386047f3b4613cff3002de5dc0
Improve SimpleAssemblerTest junit assumption.

--HG--
extra : rebase_source : 356d9dc5275807f7c44d8c36ecbac6341691a929
added test demonstrating bug in HotSpotResolvedObjectTypeImpl.findUniqueConcreteMethod (and similar bugs in C1 and C2)