We had fixed the ambiguous operator delete with JDK-8138890 some time ago. This is sufficient to get the product and fastdebug build working on AIX.

Unfortunately, the slow debug build on AIX (with xlC version: 12.01) needs an implementation of the operators in addition:

Linking vm...
ld: 0711-317 ERROR: Undefined symbol: .LIRGenerator::operator delete(void*)
ld: 0711-317 ERROR: Undefined symbol: .RangeCheckEliminator::Verification::operator delete(void*)